คำถาม-คำตอบ

How can I incorporate oil and silicone into a cream cleanser or liquid soap formulation? What emulsifiers or ingredients can be used to effectively combine water, oil, and...

Based on using Vitamin C and finding it drying, I have two questions: 1. In the future, I'd like to try a cream mixed with other ingredients. Are there any ingredients with...

I want to mix Vitamin B3 (Niacinamide) and Alpha Arbutin into Hada Labo (white bottle). I tried mixing a powder (like Alpha Arbutin) using an imprecise 'matchstick head'...

What is the appropriate pH range for a formulation containing Rose Hip Oil to ensure its stability?

Why doesn't Squalane oil require preservatives like rosemary oil or Vitamin E, and what is its typical shelf life?

I want to formulate a leave-in conditioner using SiliWater. 1. Can SiliWater be used in a leave-in conditioner? 2. How can I make the formula thicker, specifically a gel...

Regarding skin brightening ingredients, manufacturers often claim their specific ingredient is the best, but independent research comparing different ingredients like Alpha...

I have purchased the following ingredients: * Alpha Arbutin * Tranexamic Acid * Double Hyaluron Liquid * Safe-B3™ (Niacinamide) * Glycerin * Distilled Water * Phenoxyethanol...

I have formulated a cosmetic product and would like to know if this formula is usable or if any adjustments are needed. Please review the following formula: * Distilled Water:...

Please review this toner formula for acne reduction and advise if it is suitable or needs adjustments. The formula is: * Vitamin B3, Niacinamide (Safe-B3™) 5% * Licorice...

I have been using the DMAE + Pep®-Coll anti-wrinkle cream formula and have seen positive results in skin firmness and wrinkle reduction. However, I am experiencing issues with...

I have adjusted the anti-wrinkle cream formula for normal and dry skin. Here is the revised formula: 1. Distilled Water: 58% 2. Shea Butter Ultra Soft: 5% 3. Sweet Almond Oil:...

I am trying to make a cream formula for melasma and dark spots, suitable for normal to dry skin. My previous attempt resulted in a liquid/lotion texture. Could you provide a...

I am formulating a sunscreen using the following ingredients: * Homosalate * Oxybenzone * Octocrylene * DHHB * Avobenzone My goal is to achieve SPF 50+ and PPD greater than 30....

I would like to formulate an acne treatment toner. I have two main questions: 1. Can I combine Green Tea Extract, Licorice Extract, and Encapsulated Salicylic Acid (BHA,...

Based on the following formula, is it necessary to add Phenoxyethanol as a preservative? * Water 93% * LipidSoft 5% * Light Cream Maker™ 1% * Activated Resorcinol™ 1%

I am developing a cream formula for skin brightening and melasma treatment with the following ingredients: * Activated Resorcinol 1% * Tranexamic Acid 5% * Vitamin B3 *...

I am developing a physical sunscreen formula similar to Smooth-E Physical White Sunscreen SPF 52, using a mixed-phase system with Water, LipidSoft Lite, Light Cream Maker, Zinc...

I saw a L'Oreal brochure mentioning a study using `Capryloyl Salicylic Acid (LHA)`. Is it true that the study involved starting with `5% LHA` and increasing the concentration...

I am developing a shower gel formulation with the following ingredients: ``` 1. Water 71.3% 2. Lauryl Glucoside 4% 3. Coco Betain 6% 4. AminoWash 8% 5. Glycerine 8% 6. Pro...