Possible harm caused by long-term use of cosmetics

Under normal circumstances, the use of high frequency ordinary skin care products often cause allergic contact dermatitis, and special-purpose cosmetics , such as deodorant, ecchymosis, hair removal, etc., often cause irritant contact dermatitis at the contact site.

Photosensitive dermatitis refers to the inflammatory change of the skin after the use of cosmetics, which is a phototoxic reaction or photoallergic reaction of the skin mucosa caused by the light-sensitive substance in the cosmetic. Light-sensitive substances in cosmetics can be found in preservatives, dyes, perfumes, and fluorescent substances in lipsticks. Sunscreens in sunscreen cosmetics may also cause photo-sensing dermatitis.

Skin pigmentation abnormality refers to skin pigmentation or pigmentation caused by the use of cosmetics. Pigmentation is more common, mostly occurs in the face and neck, can occur alone, also with skin inflammation, or after contact dermatitis, photo-induced dermatitis.

Acne refers to a facial acne-like rash caused by cosmetics. Mostly caused by mechanical clogging of pores in cosmetics, such as improper use of foundation cream, concealer, scrub and other products, causing blackheads, acne or aggravating existing acne, may also cause inflammation.

Hair damage Cosmetics damage hair is mostly physical and chemical damage. It may also be that certain ingredients in the cosmetic may cause changes in hair quality, causing breakage, discoloration, texture becoming brittle, tarnishing, etc., and hair loss of varying degrees may occur.

Nail damage refers to the application of nail cosmetics to the nail itself and the lesions around the nail. Nail cosmetics are roughly divided into three categories: repair products, such as skin remover, polishing agent, etc.; paint supplies, such as nail polish of various colors; and removal supplies, such as nail polish. These cosmetic ingredients mostly contain organic solvents, synthetic resins, organic dyes, pigments and some limited compounds, such as acetone, potassium hydroxide, nitrocellulose, etc., most of which have certain toxicity, are irritating to nails and skin, and have a high Sensitivity, such as primary irritant dermatitis can be caused by some components in the deck cleaner and epidermis remover. Allergic contact dermatitis can be induced by the resin in the nail polish, formaldehyde in the nail sclerosing agent, etc. Dermatitis can be caused by a variety of fluorescent substances in nail polish and the like.