What is this ? Zinc PCA (L-Pyrrolidone Carboxylic Acid) is a mineral known for its effects on the skin. It is a 100% natural purifying cosmetic active ingredient. Antibacterial, it reduces the proliferation of bacteria. It also helps regulate sebum on the skin and reduce blemishes. What are the effects of zinc? Zinc is suitable for combination skin, blemish-prone skin, and mature skin. It has an anti-aging effect and helps restore skin elasticity. Zinc is often used in anti-blemish treatments. It has cleansing and purifying properties. A sebum-regulating agent, zinc is particularly recommended if you have oily or blemish-prone skin. It can also cleanse the scalp, fight dandruff, and make hair less oily. As an astringent, it helps tighten pores. How to use it? - In a cream - In a lotion - In a tonic - In a serum - In a shampoo - In a deodorant Dosage: Use zinc in your cosmetic treatments at a maximum level of 1% Recipe ideas: Jelly for acne-prone skin Shampoo for oily hair