Cosmetics Formulation Development

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1. What is the finished base? That can add Perfect-C ™ ( Ascorbyl Tetraisopalmitate ) to 10% and then use it right?

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Cica Sleeping Mask Base (compare to Laneige)

Water Sleeping Mask Base (compare to Laneige)

Absolue Soft Cream Base (compare to Lancome)

Because my skin is mixed to oily.

2. Do I need to add any additional substances?

Can I add Laurocapram (Oil Soluble) and 1,2-Hexanediol (Super-Purified, Odorless) to it?

3. If the finished bass is not suitable

Squalane (Olive) and Isododecane (Germany) are combined with Perfect-C ™ ( Ascorbyl Tetraisopalmitate ) 10% dosage.

Will there be a lot of greed? (Use in the morning and apply sunscreen after applying Vitamin C )

Please let me know a little bit.

I would like to ask more questions from point 3.

Can I use Isododecane as a base?

I'm not sure if the volatile substance will make it difficult for Vitamin C to be absorbed or not.

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1. You can choose to use all 3 bases, depending on the texture of the cream that you like.

2. You can add more in the right amount (1-3%).

3. Can do, does not affect the absorption of Vitamin C into the skin.