Cosmetics Formulation Development


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Ask for sunscreen physical sunscreen SPF50 PA+++

Postby natamon54 » Tue Nov 13, 2018 10:46 pm

ask for sunscreen physical sunscreen SPF50 PA+++ Ingredients Oil 1. Titanium Dioxide 15nm Liquid 25% 2. Water-in-Oil EZ 3% 3. Zinc Oxide 35nm Liquid water part 4. Satin Cream Maker 0.5% 5. Mild Preserved Eco 1 % 6. Aloe Vera Extract 1% 7. Protec SQ 8. Water Mixing process 1. Heat the oil to 70 degrees, blend well. 2. Blend the water together. Heated to a level close to the temperature of the oil part. วัดค่า pH to get 5.5 3. Blend the oil. while spinning gradually add water into the oil Little by little, until it's gone. Ask 1. The ingredients are compatible or not. 2. Mixing process, is that right? 3. Zinc Oxide 35nm Liquid how many % should I use, please advise, thank you.
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Re: Inquire about physical sunscreen SPF50 PA+++

Postby staff » Sat Nov 17, 2018 7:22 pm

Hello, the mixing process is correct except วัดค่า pH may not need to be measured. The formula has a neutral pH and it doesn't need to be adjusted to 5.5. But if you want to adjust it to 5.5, you can add a weak acid like Citric Acid , Lactic Acid , glycolic acid can be inserted into a small formula. Usage rate Titanium Dioxide 15nm Liquid and Zinc Oxide 35nm Liquid for SPF50, PA+++ recommended at 15%, 10% respectively.
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Re: Inquire about physical sunscreen SPF50 PA+++

Postby natamon54 » Sun Nov 18, 2018 7:59 am

thank you
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Re: Inquire about physical sunscreen SPF50 PA+++

Postby natamon54 » Sun Nov 18, 2018 8:00 am

thank you
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Re: Inquire about physical sunscreen SPF50 PA+++

Postby nid.544595 » Tue Nov 20, 2018 3:44 pm

Please ask me if this recipe is cut. Water-in-Oil EZ Remove and put on. Satin Cream Maker alone or put สารสร้างเนื้อเจล ?
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Re: Inquire about physical sunscreen SPF50 PA+++

Postby staff » Mon Nov 26, 2018 2:20 pm

Hello, can you do it? But the formula is not waterproof. because it becomes an oil-in-water emulsion instead of Water-in-Oil
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