Cosmetics Formulation Development

L ascorbic acid Normal type. Why does it smell like rust when mixed with 15%? Is there any method or any kind of substance to help it not smell like rust? and smells like rust What happened?

Hello, please disturb the member, please inform the lot number of the product as well. because it has not been checked that there is an order history วิตามินซี from the company. If there is a lot number of the product or order under another username, please inform. Yes, the staff will inspect the product for you.

I have never bought with the My Skin website. It is a generic type from another store. Can you give me an opinion?

By referring to the general appearance, there may be a yellow stain. or smells like rust

Hello, such Please inquire directly with the seller. Please check the aforementioned lot. The team cannot give any opinions. about products you buy elsewhere because it looks different

It's sour smell. indicates acidity specific smell of วิตามินซี How to fix it enter น้ำหอม