GNC, whose full name is General Nutrition Center, is a world-renowned nutritional food company with more than 5,000 chain stores around the world. Jian'an Xi Aloe Vera Gel belongs to the skin care series under the brand, and the content of aloe vera ingredients reaches more than 15% stipulated by the International Aloe Vera Scientific Association, which has a certain effect, but the aloe vera gel contains more fatty acids used to increase smoothness, and it will stinging for skin with thin stratum corneum and inflammation, so it is not recommended to use it for problem skin.