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Revitalift Derm Intensives 3.5% Pure Glycolic Acid Cleansing Gel. As someone who studies the beauty aisle for a literal living, finding a drugstore face wash starring glycolic acid is straight-up ...
These are the best dermatologist-recommended glycolic acid cleansers with salicylic acid and lactic acid for the face and body in 2024. Shop the picks here.
Glycolic acid (or hydroxyacetic acid; chemical formula HOCH 2 CO 2 H) is a colorless, odorless and hygroscopic crystalline solid, highly soluble in water. It is used in various skin-care products. Glycolic acid is widespread in nature. A glycolate (sometimes spelled "glycollate") is a salt or ester of glycolic acid.
The mechanism of action of glycolic acid is unknown, but it is hypothesized that straighter hair growth is caused by the reduction of sulfhydrylbonds in the hair shaft by glycolic acid, which results in reduced re-entry of the hair shaft into the follicular wall or epidermis. [11] Salicylic acid peels are also effective. [12]
There are five usual fruit acids: citric acid, glycolic acid, lactic acid, malic acid and tartaric acid. Many other alpha hydroxy acids exist and are used. AHA peels are not indicated for treating wrinkles. [3] [4] AHA peels may cause stinging, skin redness, mild skin irritation, and dryness.
Thioglycolic acid with a pK a of 3.83 [7] is an acid about 8.5 times stronger than acetic acid (pK a 4.76): HSCH 2 CO 2 H → HSCH 2 CO 2 − + H + The second ionization has a pK a of 9.3: HSCH 2 CO 2 − → − SCH 2 CO 2 − + H + Thioglycolic acid is a reducing agent, especially at higher pH.