Hello, the team thinks that the rate of use should be more than the limit. Disturbing members 1. Set the formula as % 2. Check the maximum usage rate. of each ingredient By checking the detail page for that ingredient. And do not use more than the manufacturer or the FDA. (Copy an example below).
Safe-B3 Usage: For products
ลดริ้วรอย whitening skin lightening and help against acne It is in the form of a gel, serum, lotion or cream. Mixing method: mix in water (water-phase), which is heat resistant. But should not be heated for a long time and the optimum pH is in the range of 3-8 (best at 4.0-7.0)
Use rate: 1-10% (recommended 5%, type Safe-B3 can be used up to 10% without causing allergy or skin irritation) Product characteristics: White powder, pH 6-7.5 Solubility: soluble in water. Storage: If long-term storage is required. Store at room temperature Avoid direct sunlight and heat. Seal the lid tightly
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