What it is:
K (Keratin) and C (Collagen) are low to middle size PPT Molecules which easily penetrate into hair.
What it does:
They help maintain healthy hair by penetrating section of the hair follicle which has lost protein due to coloring and perming.
What else you need to know:
Keratin has many amino acids (cysteine) which strengthen hair and make it bouncy.
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