The use of alum stone stimulates collagen production. Alum stone has multiple uses for the skin.
It has antiseptic properties. Activates astringent mechanisms. It is anti-inflammatory. Contributes to healing. Since it is not hypoallergenic, it does not cause irritation and can be used on sensitive skin. Its application is super simple: you must slightly moisten this stone and apply it to clean skin. After use, clean, dry and store. To purchase it, consult the pharmacy or natural product stores.