Uchenna @Uchenna • Joined Feb 2023 • Active 2 years ago Remove Connection Are you sure you want to remove from your connections? Profile Forums Timeline Groups Photos Documents Discussions Replies Favorites Discussions Replies Favorites Forum Replies Created Uchenna Member August 24, 2020 at 7:18 am in reply to: How to get raw material in Nigeria @haleemah I need their contact please Uchenna Member August 24, 2020 at 6:34 am in reply to: Stable Hydroquinone Cream formulation. teewaya said: I’m a year late, I see. I work with HQ a lot. I include sodium sulfite at 0.1% and keep pH between 6.3 - 6.7. Never had a problem. If you decide to stick to including Vit. C, you’re better off choosing one of it’s more stable forms such as MAP Can you please recommend me a stable formula