YC Vitamin C Whitening Face Wash is a skincare product made in Thailand. As the name suggests, it contains Vitamin C as a key ingredient, which is known to have antioxidant properties and can help brighten and even out the skin tone. The face wash comes in a 100ml tube and is designed to be used as a daily cleanser for the face. It claims to help remove dirt, oil, and impurities from the skin while also providing a brightening effect.

It's important to note that while some people may see improvements in their skin tone with the use of Vitamin C products, results can vary depending on individual skin type and other factors. It's always a good idea to patch-test new skincare products and to follow the instructions carefully.