Niacinamide 10% and Zinc PCA 1% is a 20 ml cosmetic serum. Niacinamide is a form of vitamin B3 that helps improve the appearance of the skin by reducing sebum production and minimizing pores. It also helps reduce the appearance of dark spots and redness. Zinc PCA is a mineral that helps regulate sebum production and control shine. This serum is used to treat skin problems such as acne, oily skin and enlarged pores. It can also help improve skin texture and tone, leaving it smoother and more radiant. Composition The main active ingredient in this product is 10% niacinamide and 1% zinc PCA. ingredients This product is composed of 10% niacinamide and 1% zinc PCA. Pharmaceutical advice Niacinamide 10% and Zinc PCA 1% are common ingredients in skin care products. However, it is important to take certain precautions when using this serum. Before applying it, be sure to perform a patch test on a small area of ​​skin to check for an allergic reaction. Avoid contact with eyes and, in case of contact, rinse thoroughly with water. If you notice any irritation or persistent redness, discontinue use and consult a dermatologist. Additionally, it is advisable to use sunscreen during the day, as some ingredients can increase the skins sensitivity to the sun. Remember to follow the products instructions for use and consult a healthcare professional if you have any specific concerns.