คำถาม-คำตอบ

I am working on a Vitamin C serum formulation, similar to the Skinceuticals formula. I added Centella Asiatica Extract to the formula which already contains Laureth-23 and...

I am trying to formulate a Vitamin C serum using L-Ascorbic Acid with the following composition: * L-Ascorbic Acid 15% * Ferulic Acid 0.8% * Vitamin E 1% * Glycerin 5% *...

I would like to inquire about the availability of **Vitamin B5 ExtraLite**. Also, I have heard that regular Vitamin B5 can be sticky. Could you please advise on its...

I am developing an SPF15 sunscreen formulation. After completing the formula, I encountered two issues: 1. **Separation:** The formula separates after being made. 2. **White...

I made a น้ำตบ (toner/essence) product using the following formula, and two users experienced itching, redness, and rash on their faces after use. Could you please help analyze...

I have oily skin in the T-zone, which is also yellowish and dull with some acne marks. My goals are to achieve whitening, control oil, and tighten pores. I am interested in...

I used **Slim-Burn** at a concentration of `0.5%` in my formula designed for cellulite reduction. After application, my skin turned very red and felt warm. I am concerned if...

Is Snail Secretion available for purchase in retail sizes? What are the available grades (liquid extract, freeze-dried)? How can I purchase in larger quantities (1kg+)?

I am formulating an eye cream and want to reduce the preservative concentration. Is it acceptable to use 0.5-0.75% preservative instead of the typical 1-1.5% for eye area...

I have oily, dehydrated skin with clogged pores, occasional inflammation, uneven skin tone, large pores, and acne scars. I previously received acne treatment at a clinic. I...

I am trying to make a cellulite reduction cream using the following formula provided by C7. In a previous attempt, the cream became lumpy. Could you please provide the correct...

Could you please explain the properties of different cosmetic waxes like Cera Alba (Beeswax), Synthetic Microcrystalline Wax, Candelilla Wax, and Carnauba Wax, particularly...

I am making a whitening cream and have some questions about the formulation: 1. I want a thick but light texture, not sticky or viscous. How can I adjust the formula? If I add...

I have oily, sensitive, acne-prone skin that feels dry and irritated, possibly due to acne medications like Clindamycin (alcohol-based) and a Retin-A like product. My skin is...

# Eyebrow/Mustache Growth Serum Formulation I would like to request a formula for an eyebrow/mustache growth serum. Please provide details on the ingredients and their...

I am formulating a sunscreen and would like to use Silky Serum Base (Face/Eye) as a replacement for Warp Cream Maker. I have a proposed formula and steps. Are they correct?...

I have the following formulation for a cream: * MSH 6% * n-acetyl glucosamine 4% * Vitamin B3 2% * Activated Resorcinol 1% * B6 3% * Zinc PCA 1% * water * Light Cream Maker 1....

Could you provide a simple formula for a serum (excluding Hyaluronic Acid) that helps with moisturizing, softening, and plumping the skin? Also, please advise on the mixing...

I have oily, dehydrated, acne-prone skin with red/dark marks, large pores, dullness, lack of firmness, and I'm concerned about anti-aging. I'm new to mixing skincare and need a...

I am interested in active ingredients for skin lifting and wrinkle reduction. I have questions about two ingredients: * Argireline * Apple Stem Cell Extract (AppleCell™) Could...