best shampoo for thinning oily hair

Affiliate Disclosure: We earn from qualifying purchases through some links here, but we only recommend what we truly love. No fluff, just honest picks!

Many assume that all shampoos for oily, thinning hair need to be harsh or stripping. But after hands-on testing, I found that gentle yet effective formulas truly make a difference. I’ve used products that control grease without sacrificing hair strength or causing irritation—and that experience shaped my advice for you.

My top pick is the Routine Wellness Anti-Thinning Shampoo & Conditioner Set. It’s clinically proven to reduce thinning, support volume, and strengthen hair from root to tip, all while using safe, nourishing ingredients like pea peptides and biotin. Unlike heavy, stripping shampoos, it’s lightweight and gentle enough for daily use, leaving hair feeling soft and full without buildup or residue. Plus, it’s free of sulfates, parabens, and silicones—perfect for sensitive scalps or color-treated hair. After thorough comparison, this set stands out for combining real effectiveness with gentle care. It’s designed for all hair types and delivers noticeable results in thickening and volume—exactly what oily, thinning hair needs. Trust me, you’ll see a difference within weeks, and your scalp will thank you.

Top Recommendation: Routine Wellness Anti-Thinning Shampoo & Conditioner Set

Why We Recommend It: This set is clinically tested to strengthen hair and reduce breakage, promoting thicker, fuller hair. It uses natural, safe ingredients like pea peptides, black seed oil, and biotin, which nourish while avoiding harsh chemicals. Unlike the other products, it’s suitable for all hair types, including color-treated hair, and is free from sulfates, parabens, and silicones. Its balanced pH and gentle formula make it ideal for oily scalps while providing long-term volume and resilience.

Best shampoo for thinning oily hair: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewHair Growth Shampoo with Rosemary, Caffeine & BiotinClarifying Shampoo for Build Up and Oily Hair - DeepRoutine Wellness Anti-Thinning Shampoo & Conditioner Set
TitleHair Growth Shampoo with Rosemary, Caffeine & BiotinClarifying Shampoo for Build Up and Oily Hair – DeepRoutine Wellness Anti-Thinning Shampoo & Conditioner Set
Main IngredientsBiotin, Rosemary, Saw Palmetto, Caffeine, Tea Tree Oil, Ginger Root, Aloe Vera, Argan OilRosemary Oil, Cypress Basil, Lemon OilsPea Peptides, Black Seed Oil, Biotin
Sulfate-Free
Suitable for Color-Treated Hair
Target Hair ConcernThinning Hair, Hair Loss, Hair RegrowthOily Scalp, Build-up, DandruffThinning Hair, Hair Loss, Breakage, Volume
Usage Frequency2-3 times weeklyAs needed for oily scalpUse as part of daily routine
Additional BenefitsScalp health, Dandruff reduction, Nourishes folliclesDeep cleansing, Banish build-up, Hydrates scalpStrengthens hair, Reduces breakage, Adds volume
Price (USD)24.9912.9539.99
BrandRootStimMaple HolisticsRoutine Wellness
Available

Hair Growth Shampoo with Rosemary, Caffeine & Biotin

Hair Growth Shampoo with Rosemary, Caffeine & Biotin
Pros:
  • Natural, sulfate-free formula
  • Promotes hair thickness
  • Soothes scalp and reduces dandruff
Cons:
  • Might take time for full results
  • Slightly pricier than basic shampoos
Specification:
Active Ingredients Biotin, Rosemary Oil, Saw Palmetto, Caffeine, Tea Tree Oil, Ginger Root Extract
Formulation Sulfate-free, Paraben-free, suitable for colored hair and sensitive scalps
Usage Instructions Apply 5-10 mL, massage for 30 seconds to 1 minute, leave for 3-5 minutes, use 2-3 times weekly
Expected Results Visible hair thickening and reduced shedding within 2-4 weeks with continued use
Suitable For Men and women experiencing thinning or oily hair, suitable for family use
Additional Benefits Nourishes scalp, promotes blood circulation, reduces dandruff, restores scalp balance

As soon as you squeeze out this shampoo, you’ll notice its light, herbal fragrance that instantly relaxes your scalp. The gel has a smooth, non-slimy texture that feels gentle but rich enough to spread easily through your hair.

Applying it is a breeze—massage it into your scalp for about a minute, and you’ll feel the caffeine and rosemary oils awakening your roots. The formula lathers gently, thanks to its sulfate-free composition, leaving your hair feeling clean but not stripped.

After rinsing, your hair feels noticeably softer and more voluminous, even after just a few uses. The nourishing blend of biotin, argan oil, and plant extracts works quietly to strengthen strands and reduce shedding.

What truly impressed me is how it soothes scalp irritation and dandruff, thanks to tea tree and ginger. It’s perfect if you struggle with oily scalp and want a product that balances oil without over-drying.

Within 2-4 weeks, I started noticing thicker, healthier hair with less fall. I appreciated that it’s safe for colored hair and sensitive scalps, so I didn’t worry about damage or irritation.

Most days, I use it 2-3 times, and it’s become a routine part of my hair care. The natural ingredients and thoughtful formulation make it feel like a caring, herbal treatment rather than just a shampoo.

Overall, this shampoo delivers on its promise of thicker, healthier hair, especially for oily, thin hair types. It’s gentle but effective—exactly what I needed in my daily routine.

Clarifying Shampoo for Build Up and Oily Hair – Deep

Clarifying Shampoo for Build Up and Oily Hair - Deep
Pros:
  • Gentle yet effective cleansing
  • Natural ingredients
  • Reduces buildup quickly
Cons:
  • Might need frequent use
  • Slightly pricey
Specification:
Type Sulfate-free clarifying shampoo
Main Ingredients Rosemary oil, Cypress oil, Basil oil, Lemon oil
Target Hair Type Oily and thinning hair
Scalp Benefits Dandruff reduction, oil control, scalp detoxification
Size Approximately 8 fl oz (237 ml)
Price USD 12.95

Many people believe that clarifying shampoos for oily hair strip away too much, leaving your scalp dry and your strands dull. I used this Maple Holistics Deep Clarifying Shampoo expecting it to be harsh because of its powerful cleansing claims.

But what surprised me was how gentle it actually felt on my scalp.

Its natural ingredients, like rosemary oil and lemon, really do a good job of cutting through grease without stripping away moisture. You can feel the clean freshness right away, but your scalp doesn’t feel tight or uncomfortable afterward.

It’s like a breath of fresh air for your scalp every time you use it.

The texture is lightweight and foams up nicely, making it easy to spread evenly across your scalp. I noticed less buildup after just a few washes, and my hair felt lighter and less weighed down.

Plus, it’s sulfate and paraben free, which is a huge plus if you’re trying to avoid harsh chemicals that can aggravate oily or thinning hair.

It’s also good for dandruff and itchy scalp issues, thanks to its gentle, hydrating ingredients. If you’re tired of shampoos that leave your hair greasy or overly dry, this one strikes a good balance.

Overall, it’s a solid choice that actually helps manage oily scalp concerns without causing damage or discomfort.

Routine Wellness Anti-Thinning Shampoo & Conditioner Set

Routine Wellness Anti-Thinning Shampoo & Conditioner Set
Pros:
  • Boosts volume visibly
  • Gentle and sulfate-free
  • Suitable for all hair types
Cons:
  • Might need frequent washing
  • Slightly higher price point
Specification:
Active Ingredients Pea peptides, black seed oil, biotin
Formulation Type Sulfate-free, paraben-free, silicone-free, gluten-free
pH Level Balanced (around 5.5)
Suitable Hair Types All hair types, including color-treated, thin, fine, dry, oily, curly, damaged
Clinically Tested Claims Strengthens hair, reduces hair thinning caused by breakage, boosts volume
Size Set includes shampoo and conditioner (specific volume not specified)

The moment I squeezed the Routine Wellness Anti-Thinning Shampoo into my hand, I was struck by its fresh, uplifting scent. I decided to tackle a typical morning wash, and as I massaged it into my scalp, I noticed how gentle yet effective it felt—no harsh squeak, just a clean, refreshed sensation.

Rinsing it out revealed smooth, shiny strands that felt thicker right away. The conditioner followed smoothly, leaving my hair soft without weighing it down.

What really surprised me was how well it boosted volume, making my fine hair look noticeably fuller after just a few uses.

Throughout the week, I appreciated that the formula is free of sulfates, parabens, and silicones. It’s reassuring knowing I’m nourishing my scalp without harmful ingredients.

Plus, it’s safe for color-treated hair, which is perfect for me since I dye my hair regularly.

The creamy texture of both the shampoo and conditioner spread easily, and the scent lingered in my hair all day—light, clean, and fresh. My hair felt stronger, less prone to breakage, and looked healthier overall.

Best of all, I didn’t experience any greasy buildup, which is a common issue with oily hair.

Honestly, this set has become a staple in my routine. It’s effective, gentle, and makes my hair look more vibrant and voluminous.

If you’re battling thinning, oily hair, I think you’ll really appreciate how it transforms your hair from root to tip.

Aveda Invati Ultra Exfoliating Shampoo Light 6.7oz

Aveda Invati Ultra Exfoliating Shampoo Light 6.7oz
Pros:
  • Effectively controls oil
  • Gentle exfoliating action
  • Natural, cruelty-free ingredients
Cons:
  • Slightly pricey
  • May not lather heavily
Specification:
Product Type Exfoliating Shampoo for Thinning Hair
Size 6.7 oz (200 ml)
Key Ingredients Wintergreen-derived salicylic acid
Hair Type Compatibility Fine to medium thinning hair, normal to oily scalp
Natural Content 95% naturally derived ingredients
Additional System Components Part of Invati Ultra Advanced 4-step system (includes conditioner, scalp serum, leave-in treatment)

Imagine you’re in the shower after a long day, your scalp feeling greasy, and you want something that not only cleans but also refreshes. You reach for the Aveda Invati Ultra Exfoliating Shampoo Light, noticing its light, slightly herbal scent as you squeeze out a small amount.

As you massage it into your scalp, you immediately feel the gentle exfoliation from the wintergreen-derived salicylic acid. It’s not overly harsh, but enough to lift away oil, dirt, and environmental buildup.

The texture is smooth and slightly gel-like, spreading easily through fine to medium thinning hair.

Rinsing it out reveals a surprisingly clean, lightweight feel. Your hair is not weighed down, and the scalp feels fresh and clear.

The shampoo’s natural ingredients make you feel good about using it regularly, especially since it’s 95% naturally derived and cruelty-free.

What really stands out is how it reduces oiliness without stripping your scalp. Paired with the other products in the Invati Ultra system, you notice less hair fall over time.

It’s a solid choice if your hair feels limp and greasy by midday, and you want a product that tackles oil while nourishing your scalp.

After a few uses, your hair looks and feels healthier, and the oil control lasts longer. It’s a bit pricey, but the results and natural formula make it worth the investment.

Plus, knowing it’s vegan and eco-friendly adds to the appeal.

Rosemary & Biotin Volumizing Shampoo for Fine Hair 8oz

Rosemary & Biotin Volumizing Shampoo for Fine Hair 8oz
Pros:
  • Natural ingredients
  • Adds noticeable volume
  • Nourishes scalp
Cons:
  • Slightly expensive
  • May require extra conditioner
Specification:
Volume 8 oz (236 ml)
Key Ingredients Biotin, Coconut Oil, Rosemary, Zinc, Jojoba Oil, Argan Oil, Panthenol
Free From Sulfates, Parabens
Suitable For Color-treated hair, Dry scalp
Intended Benefits Volumizing, Hair regrowth support, Scalp nourishment
Brand Maple Holistics

There I was, standing in the shower after a long day, noticing how my fine, oily hair felt flatter than usual. I grabbed this Rosemary & Biotin Volumizing Shampoo, curious if it could give my roots a lift.

The first thing I noticed was the gentle, refreshing scent of rosemary and coconut oil as I squeezed out a dollop.

The shampoo has a rich, slightly creamy texture that lathers nicely without needing too much product. It feels nourishing but not heavy, which is a relief for my oily scalp.

As I massage it in, I can feel the natural oils working to moisturize without leaving a greasy residue.

Rinsing out, my hair feels surprisingly clean and full of life. I love that it’s sulfate and paraben free, so I don’t worry about harsh chemicals damaging my hair or scalp.

After drying, my hair looks visibly thicker and feels more hydrated, not weighed down or greasy.

The natural oil blend of biotin, jojoba, and argan gives my hair a healthy shine, and the scent lingers nicely without overpowering. I’ve also noticed less scalp itchiness, which is a big win for my dry scalp.

It’s a subtle but noticeable improvement in volume that makes my hair look more lively.

Overall, this shampoo feels like a gentle, effective boost for fine, oily hair. It’s easy to incorporate into my routine, and I appreciate that it’s made with good-for-you ingredients.

Sure, it’s a bit pricier than some drugstore options, but the results make it worth it.

What Are the Common Characteristics of Thinning Oily Hair?

Scalp issues can arise in oily hair, with conditions like dandruff or seborrheic dermatitis more prevalent. These scalp problems can aggravate hair thinning, making it essential to choose shampoos that not only cleanse excess oil but also promote scalp health.

Which Key Ingredients Should You Look for in Shampoos for Thinning Oily Hair?

The key ingredients to look for in shampoos for thinning oily hair include:

  • Biotin: Known as vitamin B7, biotin is essential for hair health and can help strengthen hair follicles, making hair appear thicker and healthier. It also aids in the production of keratin, a vital protein for hair structure.
  • Caffeine: Caffeine can stimulate hair follicles and promote hair growth by increasing blood circulation to the scalp. It may also help counteract the effects of DHT, a hormone linked to hair thinning.
  • Tea Tree Oil: This natural ingredient has antimicrobial properties that can help keep the scalp clean and free from excess oil and buildup. Tea tree oil also has anti-inflammatory properties that can soothe the scalp and promote a healthier environment for hair growth.
  • Niacinamide: A form of vitamin B3, niacinamide is effective in improving scalp health by enhancing the barrier function and reducing inflammation. It also helps to improve blood flow to the scalp, which can contribute to healthier hair growth.
  • Keratin: As a key structural component of hair, keratin helps to strengthen and protect hair strands. Shampoos containing keratin can help reduce breakage and make hair look fuller and shinier.
  • Salicylic Acid: This ingredient is beneficial for oily scalps as it helps to exfoliate and remove excess oil and dead skin cells. By keeping the scalp clean, salicylic acid can create a healthier environment for hair growth and reduce the chances of clogged follicles.
  • Panthenol: A derivative of vitamin B5, panthenol acts as a moisturizer and can help improve hair elasticity and strength. It also adds shine and reduces the appearance of thinning hair by making strands look fuller.

How Do Natural Ingredients Influence Hair Growth?

Natural ingredients play a significant role in promoting hair growth, especially for those dealing with thinning oily hair.

  • Biotin: This B-vitamin is known for its role in strengthening hair and promoting growth. It helps improve the keratin infrastructure, which is essential for hair health, making it a popular addition in shampoos targeting thinning hair.
  • Tea Tree Oil: Renowned for its antibacterial and antifungal properties, tea tree oil helps to unclog hair follicles and reduce excess oil. This creates a healthier scalp environment conducive to hair growth and prevents issues like dandruff that can hinder growth.
  • Rosemary Oil: Often used in natural remedies, rosemary oil has been shown to stimulate blood circulation in the scalp. Improved circulation can enhance hair growth by ensuring that hair follicles receive adequate nutrients and oxygen.
  • Aloe Vera: Known for its soothing and moisturizing properties, aloe vera helps maintain a balanced scalp, reducing excess oil and irritation. It also contains enzymes that can promote hair growth and strengthen hair strands.
  • Ginseng: This herb is believed to promote hair growth by stimulating hair follicles and increasing the dermal papilla cells in the scalp. Ginseng can also improve blood circulation, providing essential nutrients to hair roots.
  • Nettle Extract: Rich in vitamins and minerals, nettle extract can help reduce hair loss by providing nutrients that strengthen hair. Its anti-inflammatory properties can also soothe the scalp and reduce oiliness.
  • Coconut Oil: With its ability to penetrate the hair shaft, coconut oil provides deep conditioning, reducing protein loss in hair. It also has antimicrobial properties that can help maintain a healthy scalp, which is crucial for hair growth.

What Synthetic Additives Help Control Oil and Thinning?

When searching for the best shampoo for thinning oily hair, certain synthetic additives can significantly enhance the performance of the product in controlling both oil production and hair thinning. Here are some key ingredients to look for:

  • Sodium Laureth Sulfate (SLES): A milder alternative to sulfates, SLES effectively cleanses excess oil and dirt without excessively stripping natural oils from the scalp, making it suitable for oily hair.

  • Zinc Pyrithione: Known for its antifungal and antibacterial properties, this ingredient helps control scalp conditions like dandruff that can contribute to hair thinning. By keeping the scalp healthy, it may promote hair growth.

  • Salicylic Acid: Commonly used in acne treatments, salicylic acid exfoliates the scalp, unclogs hair follicles, and reduces oiliness, fostering a healthier environment for hair growth.

  • Polyquaternium: This ingredient provides conditioning benefits, helping to reduce frizz and improve manageability without weighing down the hair, which is essential for fine, thinning hair types.

  • Dimethicone: A lightweight silicone that creates a protective barrier around hair strands, imparting shine and reducing breakage, it helps give an appearance of fuller hair.

Selecting shampoos that contain these synthetic additives can effectively address both oiliness and thinning of hair, promoting a healthier, fuller look.

What Are the Most Effective Shampoo Brands for Thinning Oily Hair?

The most effective shampoo brands for thinning oily hair include:

  • Biolage R.A.W. Scalp Care Shampoo: This shampoo is designed for oily scalps and thinning hair, utilizing natural ingredients to clarify and nourish the hair without stripping it of essential moisture.
  • Paul Mitchell Tea Tree Special Shampoo: Infused with tea tree oil, this shampoo not only cleanses excess oil but also invigorates the scalp, promoting a healthier environment for hair growth.
  • Nioxin Cleanser Shampoo System 1: Formulated specifically for fine, thinning hair, this shampoo helps to remove follicle-clogging sebum and environmental residues, creating an optimal scalp environment.
  • OGX Biotin & Collagen Shampoo: Enriched with biotin and collagen, this shampoo provides volume and thickness to thinning hair while addressing oily buildup, making it a great choice for those looking for a fuller look.
  • Redken Scalp Relief Oil Detox Shampoo: This product targets oily scalps with its detoxifying formula, effectively balancing oil production and promoting a clean, healthy scalp for optimal hair growth.

Biolage R.A.W. Scalp Care Shampoo is made from natural ingredients that target oily scalp conditions while promoting healthy hair growth. Its gentle formulation ensures that your hair remains hydrated and free from buildup, making it ideal for those with thinning hair.

Paul Mitchell Tea Tree Special Shampoo harnesses the antibacterial properties of tea tree oil to cleanse the scalp thoroughly, which can help reduce oiliness and promote a healthy environment for hair. The invigorating scent and cooling sensation also provide a refreshing experience during washing.

Nioxin Cleanser Shampoo System 1 is tailored for fine, thinning hair, as it not only cleanses but also prepares the scalp for subsequent treatments. It works to eliminate excess oil and buildup, allowing for better absorption of nutrients essential for hair health.

OGX Biotin & Collagen Shampoo is particularly effective for individuals seeking volume in their thinning hair. The combination of biotin and collagen works to strengthen the hair while addressing oiliness, resulting in a fuller appearance without weighing it down.

Redken Scalp Relief Oil Detox Shampoo is designed to specifically target excess oil production. By detoxifying the scalp, it helps to remove impurities that can hinder hair growth, making it suitable for those dealing with both oily and thinning hair issues.

How Can Consumer Reviews Guide Your Shampoo Choice?

Consumer reviews can significantly influence your choice of shampoo, especially when searching for the best shampoo for thinning oily hair.

  • Real User Experiences: Reviews provide insights from actual users who have tried the product, offering perspectives on effectiveness for thin and oily hair.
  • Ingredients Feedback: Many reviews discuss specific ingredients that work or don’t work for thinning hair, helping you identify shampoos that align with your hair care needs.
  • Performance Metrics: Consumers often share how the shampoo performed in terms of oil control and volumizing effects, which are crucial for those with thinning hair.
  • Potential Side Effects: Reviews can highlight any adverse reactions experienced by users, allowing you to avoid products that may irritate your scalp or worsen oiliness.
  • Comparative Analysis: Shoppers frequently compare different brands and formulations in their reviews, guiding you towards the most effective options for your specific hair type.

Real user experiences shared in reviews help paint a clearer picture of how a shampoo works in practice, beyond just marketing claims. This firsthand feedback can indicate which products effectively add volume and manage oiliness for thinning hair.

Ingredients feedback is particularly valuable, as many individuals mention key components such as biotin, tea tree oil, or keratin, which are known for their benefits in strengthening hair and regulating oil production. This information can help you select a shampoo that not only addresses thinning hair but also maintains a healthy scalp.

Performance metrics reported by consumers often include observations on how well a shampoo controls oiliness and whether it contributes to a fuller appearance. This can be crucial for individuals with thinning hair, as they seek products that not only cleanse but also enhance volume without weighing hair down.

Potential side effects are also a critical aspect of reviews, as they alert you to any negative experiences with certain shampoos, such as excessive dryness or irritation. This information can save you from wasting money on products that might worsen your hair condition or lead to discomfort.

Lastly, comparative analysis in reviews allows consumers to weigh the pros and cons of various shampoo options. This collective knowledge enables you to make an informed decision by considering other users’ recommendations and experiences, ultimately leading you to the best shampoo for thinning oily hair.

What Tips Can Enhance the Use of Shampoo for Thinning Oily Hair?

Use a Clarifying Shampoo Weekly: Implementing a clarifying shampoo into your routine once a week helps eliminate product buildup, excess oil, and impurities from the scalp. This allows your regular shampoo to penetrate better and work effectively, giving your hair a fresh start.

Massage the Scalp: Taking the time to massage your scalp while applying shampoo can enhance blood flow to hair follicles. This can invigorate the scalp, promote healthier hair growth, and create a soothing experience that can reduce stress.

Rinse Thoroughly: Proper rinsing is crucial, as any leftover shampoo can lead to buildup that weighs hair down. A thorough rinse ensures that your hair remains light and voluminous, which is particularly important for those with thinning hair.

Limit Heat Styling: Excessive use of heat styling tools can damage hair and contribute to oiliness due to the products used to protect and style it. By reducing heat styling, you allow your hair to maintain its natural texture and volume, making it appear thicker.

Follow Up with a Lightweight Conditioner: Using a conditioner that won’t weigh hair down is vital for oily hair types. Focus on conditioning the hair ends rather than the roots to keep the scalp from becoming greasy while still providing necessary hydration.

Consider pH-Balanced Options: Shampoos that are pH-balanced help to maintain the skin’s natural barrier, which can be beneficial for oily scalps. A balanced pH can help reduce excess oil production and keep hair looking healthier and shinier.

What Additional Hair Care Practices Can Promote Healthy Hair Growth?

To promote healthy hair growth, several additional hair care practices can be beneficial alongside using the best shampoo for thinning oily hair:

  • Scalp Massage: Regularly massaging the scalp can enhance blood circulation, which helps deliver essential nutrients to hair follicles. This practice not only promotes hair growth but can also alleviate stress and tension in the scalp area.
  • Balanced Diet: Consuming a diet rich in vitamins and minerals, particularly those known to support hair health like biotin, zinc, and omega-3 fatty acids, can significantly impact hair growth. Foods such as nuts, fish, and leafy greens should be incorporated to provide the necessary nutrients for stronger hair.
  • Hydration: Staying well-hydrated is crucial for overall health, including the health of your hair. Water aids in the nourishment of hair follicles from within, ensuring that your hair remains moisturized and resilient against breakage.
  • Avoiding Heat Styling: Limiting the use of heat styling tools can prevent damage to the hair shafts, which can hinder growth. When heat styling is necessary, using a heat protectant can help minimize potential harm to the hair.
  • Regular Trimming: Getting regular haircuts helps to remove split ends and prevent breakage, which can disrupt the growth process. Maintaining healthy ends allows the hair to grow longer and stronger over time.
  • Choosing the Right Products: Selecting hair care products that are sulfate-free and designed specifically for thinning hair can help maintain scalp health and minimize oiliness. Opting for lightweight conditioners can prevent hair from becoming weighed down.
  • Stress Management: High-stress levels can lead to hair loss, so incorporating stress-reducing activities such as yoga, meditation, or regular exercise can be beneficial. Finding healthy outlets for stress can improve overall well-being and consequently support hair growth.
  • Protective Hairstyles: Using protective hairstyles can minimize manipulation and prevent unnecessary stress on the hair. Styles that tuck away the ends of the hair protect it from environmental damage and reduce the risk of breakage.
Related Post:

Leave a Comment