Active ingredient of cosmetics
Whitening antioxidants
Arbutin: inhibits melanin synthesis
Phenylethyl resorcinol: inhibition of melanin synthesis
Kojic acid: inhibits melanin synthesis, promotes keratinocyte shedding, and anti-glycation
Licorice extract, licorice: anti-inflammatory, inhibit melanin synthesis
Fluorelic acid (ie, tranexamic acid): inhibits melanin synthesis and inhibits vasodilation
Nicotinamide (ie vitamin B3): inhibits melanin synthesis and delivery to keratinocytes, anti-glycation, inhibits sebum secretion, repairs skin barrier
Tree mulberry, mulberry extract: anti-oxidation, inhibits melanin synthesis
Retinol (vitamin A) and its derivatives (retinyl palmitate, retinyl propionate, retinyl acetate): inhibits transcription before melanin synthesis and promotes keratinocyte shedding
Soy extract, green tea extract: inhibit melanin synthesis, anti-oxidation
Vitamin C (ascorbic acid) and its derivatives (ascorbic acid-o-ethyl ether, magnesium ascorbyl phosphate, ascorbyl glucoside)
Vitamin E (alpha-tocopherol) and its derivatives (tocopherol acetate): anti-oxidation, synergistic with vitamin C
Glycolic acid (a type of alpha-hydroxy acid): accelerates keratinocyte shedding

Exfoliating agent
    Scrub: core powder, plastic beads (not popular), other hard particles
    Fruit acids: glycolic acid, almond acid, citric acid, malic acid, etc.
    Salicylic acid: a certain fat-soluble aromatic acid, also has anti-inflammatory and antibacterial effects, often used in acne care
Enzymes: Bromelain, papain
Sunscreen
Divided into organic sunscreen (chemical sunscreen) and inorganic sunscreen (physical sunscreen).
At present, a total of 27 species have been approved in China. The list is as follows:
3-benzylidene camphor, 4-methylbenzylidene camphor, benzophenone-3, benzophenone-4, benzophenone-5, benzylidene camphorsulfonic acid and its salts, bis-ethylhexyl Oxyphenol methoxy methoxytriazine, butyl methoxy dibenzoylmethane, camphor benzalkonium methyl sulfate, diethyl hydroxybenzoyl benzoate hexyl ester, diethylhexyl butyl amide triazine ketone, Phenyldibenzimidazole tetrasulfonate disodium, cresoltrizole trisiloxane, dimethyl PABA ethylhexyl ester, ethylhexyl methoxycinnamate, ethylhexyl salicylate, B Hexyltriazinone, humulizate, isoamyl p-methoxycinnamate, methylene bis-benzotriazolyl tetramethyl butyl phenol, octocrylene, PEG-25 p-aminobenzoic acid , phenyl benzimidazole sulfonic acid or its salts, polyacrylamide methylbenzylidene camphor, polysiloxane-15, p-xylylene dimethane sulfonic acid and its salts, titanium dioxide, zinc oxide
The content of this part of the sunscreen is quite complicated. I will introduce the special article in depth.
The range of active ingredients is extremely large and can be said to be numerous, and the above is only a small part of the list of voluminous cosmetic ingredients.