Malic acid commonly used as a peel agent is an organic acid found in vegetables and fruits, especially apples. It naturally occurs in the cells of human body where it appears and decomposes every day. Malic acid is beneficial for your health since it improves immune system, promotes oral health, decreases the danger of toxic metal poisoning and contributes to softer wholesome looking complexion.

Swedish chemist Carl Wilhelm Scheele was the first to derive malic acid from apples in 1785. Later, in 1787 Antoine-Laurent de Lavoisier named it “acide malique” after Latin word “malum” meaning apple.
Physical properties of malic acid: crystal structure, colorless, water-soluble.

Malic acid can be labeled as an alpha hydroxy apple acid. One may utilize it as complexion renewing agent and skin conditions treatment since all AHAs have rejuvenating properties and cure blemishes. Among AHAs following acids can be named: glycolic acid, lactic acid, malic acid, tartaric acid, and citric acid.

Malic acid is claimed to:
- Even coarse, dry skin;
- Peel dead epithelium cells;
- Impede aging;
- Treat sun-damaged complexion;
- Regulate oil balance of acne-prone skin;
- Prevent acne;
- Treat pigmentation issues if combined with whitening agents.

Malic acid is found in many skin care products, especially chemical peels. Apple exfoliants works by tightening pores, which promotes evener skin and concealing wrinkles and lining.
Peels to contain malic acid remove coating dead epithelium layer, exposing young, smooth, renewed complexion.

Malic peel can be applied similarly to citric acid peel. They both slightly aggressive and need repeated treatment to achieve visible improvement. Apple peel to embody malic acid is often utilized to cure acne manifestations and treat blemishes as it removes sebum from pores.