Discussions tagged with 'brightening-skinbleaching-otc' Justina Is there anyway to test for the percentage purity of whitening skincare powders? Pharma replied 5 years, 3 months ago 3 Members · 3 Replies Science KRose Need advice to adjust my formulation KRose replied 5 years, 8 months ago 3 Members · 4 Replies Formulating Susu Alpha Arbutin in cream Susu replied 5 years, 8 months ago 2 Members · 2 Replies Skin ngarayeva001 Skin whitening. What ingredients give the most visible results and when it becomes dangerous? ngarayeva001 replied 6 years, 2 months ago 1 Member · 0 Replies Science Viewing 1 - 4 of 4 discussions