Hello, the use of a reduced concentration rate. May result in lower performance. This is only a possibility. Because the team itself has never found a research trial to see how the rate of use
Galactomyces Ferment Filtrate Below 90-100%, as most brands use. However, the team always recommends that using a combination of different ingredients will give good results and all around than using a single ingredient at a higher rate. For example, using
Galactomyces Ferment Filtrate 50 % in combination with other active skin care ingredients should give better results using
Galactomyces Ferment Filtrate at the rate of 100% of the formula, just one