A hydrating facial is a type of facial treatment specifically designed to deeply replenish and rehydrate the skin by using products rich in vitamins, antioxidants, and other natural ingredients to plump, maintain, and protect the skin's moisture levels; it typically includes cleansing, exfoliation, serum application, massage, and a hydrating mask as key steps. 

Key points about a hydrating facial: 

Focus on moisture:
The primary goal is to add moisture back into the skin, making it appear plump and supple. 

Suitable for any skin:
This facial is particularly beneficial for people with dry or dehydrated skin. 

Common ingredients:
Products used often include hyaluronic acid, aloe vera, glycerin, and other humectants which draw moisture to the skin. 

Treatment steps:
May include cleansing, exfoliation, toning, serum application, massage, mask, and moisturize