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  2. Skin care - Wikipedia

    en.wikipedia.org/wiki/Skin_care

    Skin care cosmetics at a pharmacy. Skin care or skincare is a range of practices that support skin integrity, enhance its appearance, and relieve skin conditions. They can include nutrition, avoidance of excessive sun exposure, and appropriate use of emollients.

  3. Hyaluronic acid - Wikipedia

    en.wikipedia.org/wiki/Hyaluronic_acid

    Hyaluronic acid can be 25,000 disaccharide repeats in length. Polymers of hyaluronic acid can range in size from 5,000 to 20,000,000 Da in vivo . The average molecular weight in human synovial fluid is 3–4 million Da, and hyaluronic acid purified from human umbilical cord is 3,140,000 Da; [ 4 ] other sources mention average molecular weight ...

  4. Sunscreen - Wikipedia

    en.wikipedia.org/wiki/Sunscreen

    Considering only the face, this translates to about 1/4 to 1/3 of a teaspoon for the average adult face. Some studies have shown that people commonly apply only 1/4 to 1/2 of the amount recommended for achieving the rated sun protection factor (SPF), and in consequence the effective SPF should be downgraded to a 4th root or a square root of the ...

  5. Human skin - Wikipedia

    en.wikipedia.org/wiki/Human_skin

    The red colour underlying the skin becomes more visible, especially in the face, when, as consequence of physical exercise or the stimulation of the nervous system (anger, fear), arterioles dilate. [21] There are at least five different pigments that determine the colour of the skin. [22] [23] These pigments are present at different levels and ...

  6. Isotretinoin - Wikipedia

    en.wikipedia.org/wiki/Isotretinoin

    Isotretinoin, also known as 13-cis-retinoic acid and sold under the brand name Accutane among others, is a medication used to treat skin diseases like harlequin-type ichthyosis, and lamellar ichthyosis, and severe cystic acne or moderate acne that is unresponsive to antibiotics. [6]

  7. Copper peptide GHK-Cu - Wikipedia

    en.wikipedia.org/wiki/Copper_peptide_GHK-Cu

    In human plasma, the level of GHK-Cu is about 200 ng/ml at age 20. By the age of 60, the level drops to 80 ng/ml. In humans, GHK-Cu is proposed to promote wound healing, attraction of immune cells, antioxidant and anti-inflammatory effects, stimulation of collagen and glycosaminoglycan synthesis in skin fibroblasts and promotion of blood ...