Cosmetics Formulation Development


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DIY cream and it's black. Please recommend.

Postby moo741018 » Fri Jul 16, 2021 8:07 pm

Ingredients for face cream 1 Ponsachet cream 2 2. Kojic Acid Dipalmitate 3. Vitamin C (L-ascorbic acid) (Ultra-Finc) 4.Mild Prcscrvcd Eco(TM)(Prcscrvative-Frcc) 5. Alpha Arbutin (Switzerland) 6. Allantoin 7 . Safe-B3 (TM)( Vitamin B3, Niacinamide )mixed Little by little, after 6 days, the cream starts from white to black with yellow water. Want to know if it is dangerous? Skin lotion ingredients 1 Pharmacy lotion 2. Kojic Acid Dipalmitate 3. Vitamin C (L-ascorbic acid) (Ultra-Finc) 4.Mild Prcscrvcd Eco(TM)(Prcscrvative-Frcc) 5. Alpha Arbutin (Switzerland) 6. Allantoin 7 . Safe-B3 (TM)( Vitamin B3, Niacinamide ) mixed Well, the liquid lotion is probably because the pharmacy lotion contains a lot of water and a lot of oil. Is it dangerous?
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Re: DIY cream and it's black, please recommend

Postby kansenklang » Sun Jul 18, 2021 3:47 pm

character Vitamin C should be oxidized, maybe try changing to other derivatives e.g. Ethyl Ascorbic which is more stable than L Ascorbic, it's not recommended to continue using.
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Re: DIY cream and it's black, please recommend

Postby staff » Mon Jul 19, 2021 5:52 am

Hello, please study the restrictions of use. Vitamin C (L-ascorbic acid) on the product detail page. about water instability
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The recommended cream is black.

Postby moo741018 » Sun Aug 01, 2021 9:59 am

2. Kojic Acid Dipalmitate 3. Vitamin C (L-ascorbic acid) ( Ultra-Finc) 4.Mild Prcscrvcd Eco(TM)(Prcscrvative-Frcc) 5. Alpha Arbutin (Switzerland) 6. Allantoin 7. Safe-B3 (TM)( Vitamin B3, Niacinamide ) Little after 6 days the cream starts from white to color. Black with yellow water, want to know if it's dangerous? Ask for advice. All substances are purchased from the web where we post the thread 2. Kojic Acid Dipalmitate 3. Vitamin C (L-ascorbic acid) (Ultra -Finc) 4.Mild Prcscrvcd Eco(TM)(Prcscrvative-Frcc) 5. Alpha Arbutin (Switzerland) 6. Allantoin 7. Safe-B3 ( TM)( Vitamin B3, Niacinamide )
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Re: DIY cream and it's black, please recommend

Postby staff » Sun Aug 01, 2021 3:46 pm

Hello, as stated above. Vitamin C type that members choose to use. It cannot be used in this formulation. will change color and deteriorating efficiency, have to adjust the formula to use Vitamin C other water-stable e.g. Ethyl Ascorbic acid
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