Keratin Complex
Heat Activated Smoothing System

Heat Activated Smoothing System is rated 3.3 out of 5 by 26.
  • y_2026, m_6, d_13, h_13
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.46
  • cp_1, bvpage1
  • co_hasreviews, tv_13, tr_13
  • loc_en_US, sid_kcsmooth-by-keratin-complex-heat-activated-smoothing-system, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_saloncentric
  • bvseo_sdk, dw_cartridge, 17.1.0, p_sdk_3.2.0
  • CLOUD, getAggregateRating, 6ms
  • reviews, product
Heat Activated Smoothing System
Preview image 1 of Heat Activated Smoothing System
Preview image 2 of Heat Activated Smoothing System
Preview image 3 of Heat Activated Smoothing System
Preview image 4 of Heat Activated Smoothing System
Preview image 5 of Heat Activated Smoothing System
watch the product video
Select Size
Available options to select
Kit
#PP076359
Auto Replenish:
FREE SHIPPING OVER $50 & EARN 100 PROREWARDS POINTS
  • Choose your frequency. Skip or cancel anytime.
  • Free shipping over $50* & 100 ProRewards Points++ on all recurring orders.
  • Select auto-delivery in cart.
  • Exclusions apply.
Learn More
Purchase Options
Find in-store availability
saloncentric credit card take charge Learn More

What It Is

KCSMOOTH is a 2-step system powered by a proprietary blend of Signature Keratin, antioxidants and amino acids to deliver maximum manageability in two hours or less.

Kit includes:

• 1 4oz. KCSMOOTH Heat Activated Smoothing Treatment

• 4 5oz. KCSMOOTH Restorative Leave-In Lotion

What It Does

• Maximum manageability treatment in two hours or less.

• Same day style with zero downtime.

• Makes blow-drying faster and easier while providing heat protection.

• Repairs damage, tames frizz and restores shine.

• Violet pigments neutralize brassiness.

• Coconut-water based formula is incredibly hydrating, which helps prevent breakage.

• Results last up to 3 months.

• Cumulative results – the more it is used, the smoother and straighter hair becomes.

• Clients go home with KCSMOOTH Restorative Leave-In Lotion, the essential aftercare to maintain longevity and effectiveness of the treatment.

What Else You Need to Know

For all hair types.

KCSMOOTH Treatment

INGREDIENTS: Maltodextrin, Glyoxylic Acid, Cocos Nucifera (Coconut) Water, Water/Aqua/Eau, Trehalose, Propylene Glycol, Dipalmitoylethyl Dimonium Chloride, Shea Butter Cetyl Esters, Hydrolyzed Jojoba Esters, Alcohol Denat., Cetyl Alcohol, Stearyl Alcohol, Hydrolyzed Keratin, Theobroma Cacao (Cocoa) Seed Butter, Lavandula Officinalis (Lavender) Flower Oil, Moringa Oleifera Seed Oil, Acetamide MEA, Panthenol, Glycerin, Sorbitol, Sodium Cocoyl Collagen Amino Acids, Cocoyl Sarcosine, Wheat Germ Acid, Triticum Vulgare (Wheat) Germ Oil, Polysorbate 20, Linoleic Acid, Linolenic Acid, Tocopherol, Simmondsia Chinensis (Jojoba) Seed Oil, Tocopheryl Acetate, Polysorbate 80, Hydrolyzed Glycosaminoglycans, Polyquaternium-37, Propylene Glycol Dicaprylate/Dicaprate, PPG-1 Trideceth-6, Polyquaternium-81, Polyquaternium-47, Polyquaternium-67, Xanthan Gum, Polyethylene Oxide, EXT D&C Violet #2 (CI 60730), Limonene, Benzyl Benzoate, Fragrance/Parfum.

KCSMOOTH Restorative Leave-In Lotion

Ingredients: Water/Aqua/Eau, Ethyl Macadamiate, Dimethicone, Stearamidopropyl Dimethylamine, Behentrimonium Chloride, Hydrolyzed Keratin, Methyl Gluceth-10, Polyquaternium-39, Glycerin, Panthenol, PEG-75 Lanolin, Sambucus Nigra (Elder) Fruit Extract, Juniperus Communis Fruit Extract, Frangula Alnus Bark Extract, Ocimum Basilicum (Basil) Flower/Leaf Extract, Betula Alba (Birch) Leaf Extract, Propylene Glycol Dicaprylate/Dicaprate, PPG-1 Trideceth-6, Polyquaternium-37, Polyquaternium-59, Ethylhexylglycerin, Butylene Glycol, Lactic Acid, Ethylhexyl Methoxycinnamate, Phenoxyethanol, Benzyl Benzoate, Limonene, Fragrance (Parfum).

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 5 out of 5 by from THE BEST SMOOTHING TREATMENT I’ve used another big brand for over 13 years and never did any of my clients hair feel healthy, strong, bouncy and shiny!!
Date published: 2025-12-15
Rated 4 out of 5 by from Decent Treatment Good results; product consistency is much thinner than expected.
Date published: 2025-06-02
Rated 4 out of 5 by from Great product. Horrible price for return Product works great but I have never been able to get more than two clients out of this teeny tiny bottle. If your client has long thick curly hair, forget about it. The recommended amount says it's enough for four clients. It's insane. The product works amazing but I wish they would just sell it by itself without having to buy the kit. With all the leave-in conditioners. it's unnecessary. I also wish they would make a bigger size and factor in the cost more appropriately with the amount needed. This treatment is to be used on clients that have thick unruly curly hair. This is not enough product to handle that for four people.
Date published: 2025-04-19
Rated 5 out of 5 by from Great product! Great product! Easy to use, short processing time with great results.
Date published: 2025-04-07
Rated 4 out of 5 by from it works but way over priced for the amount to all the people that said this ruins their hair , you are doing it wrong. and you should not be using it on compromised bleached out blonde hair. it does lighten the hair but that is why you color after the keratin straightening service. this is a wonderful product it works great if you follow the directions. I love that you can color immediately afterwards, my gray hair clients love that. however this 4 oz is barely enough for two clients if you have really thick long hair this one bottle will only be enough for one person. I'm lucky if I make it for two clients. I'd rate it five stars if it wasn't so expensive for the small amount
Date published: 2023-12-05
Rated 1 out of 5 by from awful awful do not recommend. pulled out all my color left me orange
Date published: 2023-07-15
Rated 1 out of 5 by from Not smoothing KC treatment This product trashed my hair and it’s neon yellow! I have been in contact with the company but will be asking for a full refund! I’m only grateful I RUINED my own hair and not a poor clients!
Date published: 2022-03-22
Rated 5 out of 5 by from Great product I really like this product . I get good results on colored and highlighted hair. My clients like the fact that it's faster to do and a same day service as their color. The take home product is a must! Also the odor is hardly noticeable the next style day! I do feel it's a little overpriced!
Date published: 2021-08-05
  • y_2026, m_6, d_13, h_13
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.46
  • cp_1, bvpage1
  • co_hasreviews, tv_13, tr_13
  • loc_en_US, sid_kcsmooth-by-keratin-complex-heat-activated-smoothing-system, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_saloncentric
  • bvseo_sdk, dw_cartridge, 17.1.0, p_sdk_3.2.0
  • CLOUD, getReviews, 5ms
  • reviews, product