Minimum Water Percentage in Face Cream and its Effect on Texture

Based on the information provided, there is no fixed minimum percentage of water required in a face cream formula. The appropriate amount of water depends on the type of cream and its intended use or target skin type.

• Oil Cream: Formulas designed as "oil creams" for dry skin or very dry climates may have a lower water content, potentially around 25%. These creams focus on providing an occlusive layer to coat the skin. An example uses Oil Cream Maker (Product ID 902).
• Water Cream: Formulas designed as "water creams" for users with oily skin tend to have a higher water content, potentially around 85%. These creams have a lighter feel. An example uses Light Cream Maker (Product ID 141).

Therefore, the effect of water content relates to the cream's texture and feel: higher water content results in a lighter, less oily cream suitable for oily skin, while lower water content results in a richer, more occlusive cream suitable for dry skin.