Pre-cleansing should be done before treating the skin with a treatment as the active ingredients will penetrate the skin better.

This program covers the needs of skin that has seen its structural properties altered (wrinkles, loss of elasticity, sagging, etc.) due to various factors (age, environmental factors, etc.).
The signs that indicate this type of dysfunction are: appearance of expression marks, wrinkles, loss of firmness, lack of elasticity, etc.

The serum is always applied before the facial cream.

The active ingredients are more concentrated in the ampoules than in the serums and the texture is more fluid so that they reach the deepest layers of the skin.

Yes, both products are complementary.