Acidic Grow Full System Densifying Conditioner

Acidic Grow Full System Densifying Conditioner is rated 4.4 out of 5 by 107.
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33.8 oz.
#P2795600
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What It Is

Redken Acidic Grow Full System Densifying Conditioner for thin hair is a lightweight formula that rebalances the scalp with hydrated feel and instantly volumizes and conditions hair.

What It Does

• Break-free: See the fullness of up to +5,000 hair fibers*

• Instantly conditions and detangles hair

• Scalp feels balanced and hydrated

• Provides hair with instant volume and softness

• Suitable for sensitive and color-treated hair

 

*reduced breakage from brushing with system of shampoo + conditioner + serum + spray vs non-conditioning shampoo

What Else You Need to Know

The Acidic Grow Full Density & Strength System provides a healthier feeling scalp that is balanced with moisture* and instantly thicker, fuller looking hair that is 2x stronger**

 

*shampoo + conditioner + serum + spray vs unwashed hair

** shampoo + conditioner + serum + spray vs non-conditioning shampoo

After shampooing with Acidic Grow Full System Shampoo, apply and distribute through hair. Rinse thoroughly.

AQUA / WATER / EAU • CETEARYL ALCOHOL • STEARAMIDOPROPYL DIMETHYLAMINE • ISOPROPYL MYRISTATE • CETYL ESTERS • CAFFEINE • PARFUM / FRAGRANCE • TARTARIC ACID • HELIANTHUS ANNUUS SEED OIL / SUNFLOWER SEED OIL • CAPRYLYL GLYCOL • BENZOIC ACID • AZELAIC ACID • BIFIDA FERMENT LYSATE • SACCHAROMYCES/RICE FERMENT FILTRATE • LINALYL ACETATE • CARVONE • LIMONENE • SODIUM CHLORIDE • LINALOOL • CITRUS LIMON PEEL OIL • CITRUS AURANTIUM BERGAMIA PEEL OIL • CITRUS AURANTIUM PEEL OIL • CITRAL • PENTYLENE GLYCOL • PINENE • PHENOXYETHANOL • SODIUM BENZOATE

Purchases made in SalonCentric stores may be returned to any SalonCentric store. Purchases made through SalonCentric Customer Service, SalonCentric Business Partners, and SalonCentric.com orders Sold and Shipped by SalonCentric may be returned to a SalonCentric store; however, the return must not exceed $450 and must include the original receipt, packing slip, or invoice. For returns in-store of online orders, the refund will be credited back to the original payment method once the return has been processed. For SalonCentric.com Online Exclusive orders sold and shipped by third-party sellers, please see more details linked below for return steps.

The SalonCentric return policy does not currently apply to Kérastase & Shu Uemura purchases. Kérastase & Shu Uemura do not accept returns.

Click to see more details.

Rated 2 out of 5 by from Not great It’s just okay, not enough moisture and don’t love the smell
Date published: 2026-04-17
Rated 5 out of 5 by from exceptional Thank you Redken !! As always you are on top ot the game, this product is no exception. Light and strong, my aging hair knows the difference and my scalp is clean. I was trained in Redken in the 70"s. Tried MANY products that make certain claims. But it's always Redken that I come home to.
Date published: 2026-04-13
Rated 4 out of 5 by from Good stuff! The smell is good, my hair is fine and it does make it feel a bit thicker.
Date published: 2026-04-13
Rated 5 out of 5 by from Fully love this shampoo Loving the shampoo, great leather spa like smell, leaves the hair feeling clean without feeling stripped
Date published: 2026-04-04
Rated 3 out of 5 by from Not Hydrating enough I received this free sample from Redken in exchange for my honest review.This thick rich conditioner smells great has a very nice texture. However, I just found that it wasn’t hydrating enough for my hair.
Date published: 2026-04-02
Rated 5 out of 5 by from The Best!! Thanks to Salon Centric review crew I was able to try out this conditioner. It makes the hair feel so soft without it being weighed down. I have noticed less new split ends in my hair as well.
Date published: 2026-04-02
Rated 5 out of 5 by from This product is amazing. The store helped so much in making us understand the prodxuct
Date published: 2026-04-01
Rated 5 out of 5 by from Great System. I used this product on my daughter who has naturally fine/thin hair. But has also had surgery recently and it made her hair feel so much fuller. I can't wait to see what it feels like over time. Works great with the whole system.
Date published: 2026-03-31
Rated 5 out of 5 by from This works soooo good! As a girlie with fine hair, this absolutely made my hair feel thicker. Not like insanely thick, but thick enough that I did not feel bald. The conditioner adds extra moisture and hydration and I definitely noticed my hair feeling more hydrated. I received this product for free in exchange for my honest review. Even though I was gifted this product, I definitely think I will be purchasing this once I am out.
Date published: 2026-03-31
Rated 4 out of 5 by from Nice! Great conditioner and scent/ I don’t love all the ingredients. Hair does feel soft and thick I’m waiting to see an actual increase in hair growth before I can give 5 stars.
Date published: 2026-03-29
Rated 5 out of 5 by from Visibly fuller! Been using for about a month now and it definitely does make my hair feel a little fuller! I like the smell and it doesn't weigh my hair down. Intrigued to keep using to see how my hair will progress.
Date published: 2026-03-28
Rated 5 out of 5 by from So soft I love how smooth this conditioner makes my hair feel. It smells really good, not too potent. A little goes a long way. Thanks to bzzagent for this product for review.
Date published: 2026-03-27
Rated 5 out of 5 by from Loved the feel of this conditioner Loved the scent.Conditioner was a thick consistency.After massaging it into my scalp and ends,I clipped my thin hair up while I finished showering and rinsed well after about 5 minutes and it made my thin hair actually feel fuller.
Date published: 2026-03-27
Rated 5 out of 5 by from Really like the line I really like the smell, consistency and benefits it offers. I haven’t been using it long enough to know that it’s working for sure, but I like the product
Date published: 2026-03-27
Rated 5 out of 5 by from Awesome conditioner! The conditioner is great! I love how soft and easy to brush through my hair is after showering. Going hand and hand with the shampoo I can tell my hair has improved so much.
Date published: 2026-03-26
Rated 3 out of 5 by from Just ok Didnt love the way this made my hair feel. I was expecting to have some serious volume but maybe need to give it time.
Date published: 2026-03-26
Rated 4 out of 5 by from Good Conditioner I like this conditioner. The smell is nice and I like the consistency but I feel like I personally need something just a touch more hydrating. I think this is best for someone with ultra fine thin hair!
Date published: 2026-03-26
Rated 5 out of 5 by from Great product With using the whole system clients hair feels thicker and soft
Date published: 2026-03-26
Rated 5 out of 5 by from Great product Really thick but creamy consistency. Really like it. left the hair soft.
Date published: 2026-03-26
Rated 4 out of 5 by from Love it after glp-1 hair shed I received this product complimentary in exchange for an honest review. I have been experiencing hair fall (not breakage) from using a glp-1 medication. My hair type is usually thick and coarse but has thinned significantly. I was so surprised by this conditioner. It did not make my hair feel weighed down or greasy. I feel like the hair fall I was experiencing was already tapering off after three months of significant shed but the acidic grow full really gave my hair an oomph it needed. I enjoy the clean, fresh scent. My scalp feels clean and hydrated and my hair feels clean but I have more volume. So excited about this new line.
Date published: 2026-03-26
Rated 5 out of 5 by from Works and smells great Smells great and doesn't weight down the hair. Hair feels full still after conditioning. Doesn't dry the hair and doesn't leave hair oily.
Date published: 2026-03-26
Rated 5 out of 5 by from Love Smells amazing and works great even as a standalone. Clients see a noticeable difference in perceived density of the hair.
Date published: 2026-03-24
Rated 3 out of 5 by from Ok I didn't notice a difference in hair feeling more hydrated. Ends still feel a little dry but overall appears fuller. Smell is a slightly stronger than shampoo.
Date published: 2026-03-24
Rated 4 out of 5 by from Lightweight and strengthening Lightweight conditioner that helps to strengthen the hair while adding the feel of volume and body, while the hair grows fuller and healthier over time. Helps to get results by providing a clean and moisturized scalp.
Date published: 2026-03-24
Rated 4 out of 5 by from Hydrating and strengthening Lightweight but incredibly nourishing. This conditioner detangles effortlessly while reinforcing weak, fragile strands. It leaves the hair smooth and manageable without weighing it down—perfect for clients who want strength and growth without sacrificing volume.
Date published: 2026-03-24
Rated 5 out of 5 by from Can I have more I’m so in love with the aroma and the strength it has nourished my hair the fall out and breakage has been a minimum I’m so impressed
Date published: 2026-03-24
Rated 5 out of 5 by from Great Conditioner for fine hair Finally, a conditioner that doesn’t flatten and weigh down fine hair. I only needed to use a small amount to make the hair shiny and feel silky.
Date published: 2026-03-23
Rated 3 out of 5 by from Just ok I received the Redken acidic full grow system for free as part of a campaign in return for reviews. I was excited to try this on my dry thin limp hair. I feel it is just OK. The shampoo and conditioner are ok. Very strongly scented which some people may not like. My hair felt normal after cleanse and conditioner but after using this for a week I strongly feel it’s not very color safe. Seemed to have stripped my color a bit. I can’t say I would recommend this system.
Date published: 2026-03-23
Rated 5 out of 5 by from Awesome system I’ve really enjoyed using the Acidic Grow Full System. I have used this product for close to two months now. Even from the first few uses, I have noticed my hair feels stronger and healthier. All the products have left my hair feeling soft and not heavily weighed down. I would highly recommend this full system to clients wanting to repair, strengthen, and grow their hair.
Date published: 2026-03-23
Rated 5 out of 5 by from I’ve really enjoyed using the Acidic Grow Full System so far. From the first few uses, I noticed the hair felt stronger, healthier, and had a visibly fuller appearance. The shampoo and conditioner leave the hair soft without weighing it down, and the serum + densifying spray are lightweight but still effective. My clients have also responded really well to it — especially those concerned with thinning or breakage. I’ve noticed improved manageability and a smoother overall finish when styling. The only thing I would note is that I wish I had a bit more time to fully evaluate the long-term growth and density results. However, based on my experience so far, I’m very impressed and excited to continue using it behind the chair. Overall, this system is a great option for clients looking to support healthier, fuller-looking hair while reducing breakage.
Date published: 2026-03-22
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