Cosmetics Formulation Development

Cica Sleeping Mask Base (compare to Laneige) and Water Sleeping Mask Base (compare to Laneige)

1. How much % can you add water and oil to the bass leaves? What is the maximum amount and how much preservative must you add? And which one will be the most stable?

hello

Add unlimited water

Add oil no more than 3% (including perfume).

The texture may change a lot - a little. according to the amount of ingredients added