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Sunscreen Formulation Issues and Questions
I am trying to make a physical sunscreen using the formula below, based on the information for **Titanium Dioxide 15nm Liquid** from your website. However, the resulting cream...
Formulating Mandelic Acid 15% with Witch Hazel: Preservation, Dissolution, and Residue
I need some advice. If I want to make a formulation with Mandelic Acid 15% and Witch Hazel Plus Allan (using it instead of distilled water), do I need to add an additional...
Under-Eye Serum Formulation for Dark Circles, Wrinkles, and Puffiness
I am developing a serum formulation for the under-eye area to address dark circles, wrinkles, puffiness, and bags caused by lack of sleep. I initially tried a gel formula using...
Solubility of Last Fix in Oil and Making Long-Lasting Oil-Based Perfume
Regarding the ingredient Last Fix, I would like to know if it is soluble in Ethyl Alcohol only, or if it can also be dissolved in Fractionated Coconut Oil. My goal is to create...
Applying Products After Vitamin C Serum: Waiting Time
After applying Vitamin C E Ferulic (Lite) in the morning, can I apply my existing cream, moisturizer, and sunscreen? What is the recommended waiting time before applying these...
Lotion Separation Issue with Satin Cream Maker
I made a lotion using the following formula: * Satin Cream Maker 1% * Oil 10% * Water 85% * Chamomile extract * Vitamin B5 I mixed the Chamomile extract and Vitamin B5 with the...
Understanding "White Skin Opening Serum Concentrate" Base and Actives
What kind of base gel is typically used in products marketed as **"White Skin Opening Serum Concentrate"** (หัวเชื้อเซรั่มเปิดผิวขาว), and what ingredients help achieve the...
Sunscreen/BB Foundation Formula with Silk Texture and Texture Adjustment
Could you provide a formula for a silk-texture BB/Foundation cream and explain how to modify it to function as a sunscreen with a flesh tone? Please also include mixing...
Gentle Facial Gel Formulation for Sensitive, Dull, Oily Skin with Rashes
Hello, I want to make a facial gel for sensitive skin that is also dull, oily, and prone to rashes. Besides the following ingredients, what other substances should I add to...
Guide to Formulating Gel Facial Cleanser
I would like to try formulating a gel facial cleanser. What is the general approach and what are the key components needed?
Water for Cosmetic Formulations
Is sterile water for irrigation suitable for use in cosmetic formulations?
Air Bubbles in Gel Formula, Ingredient Solubility, and Daytime Use
I am making a gel formula and encountered air bubbles, likely due to mixing all ingredients from step 2 together before adding them to the gel base. I have two specific...
Gel Formula Feels Oily and Doesn't Absorb on Oily Skin
I have formulated a gel for very oily facial skin, but after application, it feels very oily and does not absorb into the skin. The formula is as follows: * Pure Aloe Vera Gel...
Using Bismuth Oxychloride for Dewy Finish in BB/CC Cream
Can Bismuth Oxychloride be used in BB/CC cream to achieve a dewy-glow effect? If so, what forms are available, what is the recommended usage rate, and are there any important...
Issue with Incomplete Order (Missing Triethanolamine for Carbomer Gel) and Damaged Product
I recently placed an order and received it incomplete, specifically missing Triethanolamine. I need Triethanolamine to formulate a gel using Carbomer. Additionally, the...
Using Food Coloring in Lipstick Formulation
Can food coloring be used in a lipstick formula made of wax and oil? If not, why, and what types of colors are suitable for oil/wax bases like lipstick?
Using Salicylic Acid EZ™ for Acne and FDA Declaration
I am using Salicylic Acid EZ™ 100%, which is composed of: * Coco-Dimethylamine 40% * Propylene Glycol 40% * Salicylic Acid 20% When using it at a concentration of 5% in my...
Adjusting Serum Formula for Whitening & Anti-Aging: Texture & Stability
I have a serum formula containing the following ingredients: * Water * GlucoBright™ (N-Acetyl-D-Glucosamine) * Safe-B3™ (Niacinamide) * Tranexamic Acid * Double Hyaluron Liquid...
Criteria for Limiting Ingredients in Homemade Skincare for Better Results
What criteria should be used to determine the appropriate number of ingredients in a homemade skincare formula? How can I avoid adding too many ingredients?
Formulation Advice and Ingredient Usage Questions
# Formulation Questions I have several questions regarding formulation and ingredient usage: 1. **Glycerin Bar Soap:** I am making glycerin bar soap, but it has low foam. Which...