Acne-removing gel patch and preparation method thereof

The invention belongs to the field of cosmetics, and relates to an acne-removing gel patch and a preparation method thereof.The acne-removing gel patch comprises a gel phase and a cross-linking agent phase, and the gel phase comprises, by weight, 0.1-5 parts of alginic acid and alginic acid salt, 0.01-1 part of tartaric acid, 3-15 parts of glycerinum, 5-25 parts of propylene glycol and 55-90 parts of water; and the cross-linking agent phase comprises the following components in parts by weight: 0.1-15 parts of calcium salt and 85-99.9 parts of water. Compared with the prior art, the tartaric acid and the polyol are bound in the formed gel to form a slow release system. Due to small volume, thin thickness and high transparency, the acne-removing gel can be conveniently applied to the skin and is not easy to fall off for a long time, and the acne-removing components such as salicylic acid and mandelic acid in the gel can form slow release to act near the acne skin, so that the discomfort caused by applying the