Cosmetics Formulation Development

Hello, we have produced a liquid serum with a mixture of Hyaluronic Acid (Standard Molecule) 0.5% Safe-B3 ™ 1% GlucoBright™ ( Acetyl glucosamine ) 0.5% Vitamin C (L-ascorbic acid) (Ultra-Fine) 1.5% Rosa Hybrid Cell Extract ( HybridCell™ ) 0.5% Mild Preserved Eco™ (Ethylhexylglycerin) 1% Pro Polymer™ (Gel Maker) 3% Water 92% Store in a cool place for 7 days. Serum changes color. From the color to yellow. I tried wearing TEA and it didn't disappear. How should I fix it?

It should gradually deteriorate. Vitamins B3 and c should not be mixed together, cannot be edited to be transparent as before. Still available, but the performance is not the same Recommend to apply to the neck, apply all over the body and mix in a new formula.

Hello, that's correct as maigonix advises. Dear members, check the limitations of use. Vitamin C from the product detail page. which will inform both about incompatibility with Vitamin B3 and deterioration in water formula.