คำถาม-คำตอบ

I am formulating a cream with the following ingredients: * L-tyrosine * DMAE powder (10%) * EDTA * Sodium Hyaluronate * Pep-Coll * Vitamin B3 * Green Tea Extract *...

I have sensitive skin recovering from seborrheic dermatitis and am looking for alternative whitening ingredients that are gentler than Activated Resorcinol. What combination of...

I recently bought a breast firming cream and suspect it doesn't contain many active ingredients. I would like to add "PhytoHormone" to it to boost its effectiveness. What are...

How can I make a serum similar to Estee Advanced Night Repair? What ingredients should I mix?

Regarding the previous discussion about using water with low TDS (like RO or distilled water) for cosmetic production, the staff mentioned that Big C drinking water is also...

How to determine if the pH of a cosmetic formula containing Activated Resorcinol, Vitamin B3, and Tranexamic Acid is suitable, and why is pH important for these ingredients?

I have questions regarding the usage and mixing of whitening ingredients: 1. Can I use two different types of Vitamin C products simultaneously, such as Vitamin C E Ferulic and...

I have a problem with hair loss, possibly due to genetic factors leading to an oily scalp. I am considering using ingredients like Long-Lash. What ingredients or approaches are...

I have developed an eye serum formula and would like an expert to evaluate it, check ingredient compatibility, and provide guidance on the correct mixing procedure to ensure...

I am a beginner looking to formulate a skin whitening serum using a gel base and the following active ingredients: * Alpha Arbutin 2% * Glutathione 1.5% * B3 2% * N-acetyl-D...

I'm making a cream using Light Cream Maker. I've noticed that if I don't mix it enough, the cream becomes flaky or pills when applied, especially when trying to make a thicker...

I'm interested in making a DIY sunscreen mist spray for the face. I want it to have nourishing and brightening properties, be suitable for sensitive skin, and have a high SPF....

How to calculate the amount of Lactic Acid 88% needed to achieve a desired final concentration (e.g., 10%) in a 100g body formula (like lotion or cream)?

I have developed an eye serum formulation and would like to receive feedback and suggestions for improvement. My current formula includes the following ingredients: * Distilled...

After recovering from steroid use, I tried a simplified formula containing: * Ceramide Complex * Licorice Extract * Allantoin * Beta Glucan * Disodium EDTA * Pro Polymer * Eye...

I have questions regarding cream/lotion formulation and texture: 1. When using `light cream maker` to create a cream texture, is `lipidsoft` also required? Can I achieve a...

I have several questions regarding cosmetic formulation, particularly concerning preservation and suitability for sensitive skin and the eye area: 1. Is the combination of Mild...

What is the recommended usage concentration of Double Hyaluron Liquid (5% Hyaluronic Acid, Nano and Standard sizes) when formulating cosmetics for different skin types: * Very...

Regarding adapting a serum formula (similar to SkinCeuticals C E Ferulic) for use as an eye serum, I have the following questions about adjusting ingredient percentages and a...

I would like to add sunscreen to my serum. The staff mentioned it's possible but tricky with physical sunscreens and recommended ready-to-use chemical sunscreens like SPF...