Keratin is made up of amino acids and cysteine is a key amino acid in the production of keratin for healthy hair. Whilst keratin is extremely strong and rigid if thick, when it is fine it has great flexibility. The third layer of the skin is the hypodermis or subcutis and this houses the sweat glands and a layer of fat for insulation and energy storage, whilst providing cushioning against knocks and bumps.ĩ5% of human hair is made of keratin. Lower levels of collagen production as we age and low levels of elastin cause the skin to wrinkle and sag. The dermis is made of collagen (75-85%) and elastin and together they give the skin its firmness and elasticity. It takes roughly five weeks for new cells to reach the skin surface. The outer protective epidermis layer is made from keratin which gives the skin its rigidity. Human skin is made of three layers epidermis, dermis and subcutis. Hydrolyzed collagen or collagen peptides is simply collagen which has been broken down so that the amino acids can be dissolved and thus be available and easily absorbed by the body. Hydrolyzed collagen or collagen peptides? The two are exactly the same, just different words. See article – Combining Collagen With Shockwave Therapy
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