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SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML
SEVICH Hair Repair Solution Keratin 100ML

SEVICH Hair Repair Solution Keratin 100ML

Regular price
$28.99
Sale price
$28.99
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per 
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Hair Repair Solution Keratin
Contains the rich amino acid, suitable for all kinds of hair, instant shiny hair, smooth hair silk, which can make the hoarse hair more lustrous, reproduce vitality, lasting supple light

Ingredients overview


Ingredients explained

ALSO-CALLED: Water | WHAT-IT-DOES: solvent

Good old water, aka H2O. The most common skincare ingredient of all. You can usually find it right in the very first spot of the ingredient list, meaning it’s the biggest thing out of all the stuff that makes up the product. 

It’s mainly a solvent for ingredients that do not like to dissolve in oils but rather in water. 


WHAT-IT-DOES: moisturizer/humectant, solvent, viscosity controlling | IRRITANCY: 0  | COMEDOGENICITY: 0 
  • It's a helper ingredient that improves the freeze-thaw stability of products
  • It's also a solvent, humectant and to some extent a penetration enhancer



  • It’s naturally in our skin and behaves there like a sponge
  • It can bind up to 1000 times its own weight in water
  • It is a big molecule from repeated subunits (polymer) so different molecular weight versions exist (unfortunately there is no way to determine MW from INCI list only)
  • High-molecular-weight-HA (>500 kDa) is an excellent surface hydrator, skin protectant and can act as an osmotic pump helping water-soluble actives to penetrate deeper into the skin
  • Low-molecular-weight-HA (< 500 kDa) can hydrate the skin somewhat deeper though it is still a big molecule and works mainly in the epidermis (outer layer of the skin)
  • Low-molecular-weight-HA might also help the skin to repair itself by increasing its self-defense (~ 200kDa used in the study)
  • Sevich Keratin Hair Solution with 5% added Straightening Solution New In Box Tested Formula

    The process goes something like this: shampoo (no conditioner); rough-dry hair until its 80 percent dry; apply the treatment working in small sections; let process for 15 minutes; blow-dry product into hair; flatiron hair in tiny quarter-inch sections

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