คำถาม-คำตอบ
ตอบภายใน: 16 Hrsกรองคำถาม
20 of 13993 results
Usage of NaturePreserve™ Ultra Around Eyes and Compatibility with Vitamin C
I have questions regarding the use of NaturePreserve™ Ultra (Gluconolactone & Sodium Benzoate): * Can NaturePreserve™ Ultra be used in formulations for the eye area? * Is...
Skin Recovery and Acne Management After Over-Exfoliation from High BHA Toner
I made a homemade toner with 6.6% Encapsulated Salicylic Acid (BHA) and have been using it. My skin is now experiencing dryness, tightness, peeling, and flaking. I also perform...
Adding Wrinkle Reduction and Whitening to Coffee Scrub
I want to make a coffee scrub. How can I incorporate ingredients that help with wrinkle reduction and skin whitening into the formula? Can this be done using a liquid soap base...
Burning/Stinging Sensation from High DMAE Formula & Preservative-Free Small Batch
I made a formula with the following ingredients: * DMAE (SkinTight MD™) 20% * Phenoxyethanol 1% When I apply it, I experience a burning/stinging sensation. What could be the...
Mixing Apple Stem Cell Extract Powder into Cream
How to mix Apple Stem Cell Extract (`AppleCell™ Powder`) into a nourishing cream? What are the recommended mixing method, temperature, pH range, usage rate, and solubility for...
Formulation Questions: Achieving Thicker Cream Texture and High Silicone Usage with Light Cream Maker
I have a cream formulation and encountered issues with the texture and silicone compatibility. Below is the initial formula: * Distilled Water: 63.48% * Allantoin: 0.32% *...
Formulating Serum/Cream with Vitamin C Ester, Rosehip Oil, and Water-Soluble Actives
I am trying to formulate a product containing Vitamin C Ester (Ascorbyl Palmitate) and Rosehip Oil. I initially considered using Silky Serum Base but was concerned about...
Sunscreen and Serum Formulation for Acne-Prone Skin and Acne Scars
What ingredients and bases are recommended for formulating a lightweight sunscreen suitable for acne-prone skin, considering alternatives to silicone gels for texture? Also,...
Solubility and Formulation of Activated Resorcinol™ and NanoRes™
Regarding the solubility of Activated Resorcinol™ (4-Butyl Resorcinol): 1. Is it soluble in oils other than LipidSoft/LipidSoft CC, such as Olive Oil, Grape Seed Oil, or...
Formula Evaluation and Questions (Serum, Gel)
I have two cosmetic formulas and some questions regarding their suitability, mixing, and packaging. **Serum Formula** * **Formula:** * `water 85.9%` * `vit B3 4%` * `NAD 4%` *...
Custom Gel Formulation for Brightening & Anti-Aging and Compatibility with Vitamin C Serum
I have combination skin and am 35 years old. My acne has cleared up after using a DIY gel formulation from this site for a while. I want my skin to be brighter, clearer, and...
Formulation Advice for Dry, Sensitive Skin with Actives
I am formulating a skincare product for dry, sensitive skin, especially considering a history of steroid use. I have included various active ingredients. I have specific...
Review of Whitening and Moisturizing Cream Formula
I am a beginner formulator and have created a whitening and moisturizing cream formula. Could you please review my formula, the mixing steps, check for any ingredient...
Why Cream Eyeshadow Turns Powdery After Drying
Why does cream eyeshadow turn powdery after it dries?
Usage of Tester Products: Gel vs. Pre-Mix Kit
Can Tester products like `Pure Aloe Vera Gel` or `Vitamin C E Ferulic Pre-Mix Kit` be used directly, or do they require additional mixing?
Formulation Review: Face & Body Sunscreen with Anti-Aging and Brightening
I have developed two formulations and would like expert feedback: **1. Face Formula (for combination, acne-prone skin, prone to clogging):** This formula aims for waterproof...
Choosing Preservatives After Paraben Ban for Lotion, Liquid Soap, and Oil Formulas
Following the ban on parabens by the FDA, what are the recommended preservative options available? Specifically, I am interested in using: * Mild Preserved * Phenoxyethanol *...
Powder Formula Adjustment for Increased Coverage
I want to adjust my powder formula to increase coverage. I am considering replacing Silk Sericite Powder with Silk Mica Powder entirely. Will this help increase coverage? Also,...
Formulation and Ingredients for Long-lasting Lipstick and Mousse BB Cream
I would like to know the formula and ingredients for making: 1. **Long-lasting lipstick:** What ingredients provide a long-lasting color effect? 2. **Mousse-like BB cream:**...
DIY Body Lotion: pH, Emulsifier, Texture, and BHA Interaction
I am making my first DIY body lotion using the following ingredients: * N-Acetyl Glucosamine (NAG) * Vitamin B3 (Niacinamide) * Lemon Peel Bioferment * Rich Cream Maker...