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Using L-Glutathione in Water-Free Formulations
How can L-Glutathione be used in water-free formulations? What are the considerations for its solubility and effectiveness in different product types like serum, balm, or stick formats?
Pineapple and Honey Hand Gel Formulation Guidance
I would like to learn about making a pineapple and honey hand gel for hand nourishment. What ingredients should I use, and in what quantity per use? Should I use raw or cooked...
Review and Adjustment of Anti-Aging & Brightening Essence Formulas
I have developed two essence formulas for normal to dry skin, age 40+, targeting sagging, wrinkles, non-deep melasma, and aiming for a liquid but viscous texture. I would like...
Compatibility and Stability of Oil Blend with Vitamin C & CoQ10, and Vitamin C Comparison
I would like to inquire about an oil blend formulation. Could you please check the compatibility of the ingredients below and advise whether the product should be mixed fresh...
How to Adjust pH in Cosmetic Formulations
How can I adjust the pH if it is too low or too high in a formulation with the following ingredients? * Pitera 50% * 4MSK 3% * Active Resveratrol 5% * EDTA 0.2% * Penetration...
Formulating Oil-Based Cleansers and Makeup Removers: Heating, Effectiveness, and Ingredient Properties
I have several questions regarding the use of Oil Soap and Oil Milk in cleansing formulations, as well as specific ingredient properties and formulas: 1. Does Oil Soap require...
Mixing Water-Based Gels with Different Gelling Agents and Preservatives
I have two water-based gel formulations that use different gelling agents. The second formulation contains the preservative DMDM Hydantoin. I would like to mix these two...
BB Body Cream Formulation: Adding Powders with Water-in-Oil EZ™ and Need for Oil-Fix™
I am formulating a BB Body Cream using `Water-in-Oil EZ™`. My formula currently has 58% water. I plan to add the following powders: * Synthetic Fluorphlogopite * Titanium...
Making Clear Lipstick with Oil Stick Hard/Medium - Mixing Procedure
When making clear lipstick sticks using Oil Stick Hard and Oil Stick Medium, what is the correct mixing procedure? Should these ingredients be added at the beginning or the end...
Herbal Shampoo Formula Free from SLS, SLES, Parabens, Silicone
Could you provide a basic formula and mixing instructions for a herbal shampoo that is free from SLS, SLES, parabens, and silicones, specifically incorporating a liquid kaffir...
Fixing Lumpy BB Cream Texture with Polyethylene Wax
My **BB cream** formulation containing Polyethylene Wax has a **lumpy texture**. How can I fix this?
Mixing Instructions for Anti-Aging and Brightening Cream
Could you please provide mixing instructions for two variations of a cream formulation for normal to dry skin? 1. A version including DMAE and Pro Polymer. 2. A version without...
Water-Free Vitamin C Serum Formulation Issues and Alternatives
How can I formulate a water-free serum containing 20% L-ascorbic acid powder using ingredients like Ethoxydiglycol, Propylene Glycol, Glycerin, or Silicone? Is L-ascorbic acid...
Feedback on Cleanser, Serum, and BHA Gel Formulations for Acne Treatment
I want to create a facial cleanser and a BHA gel for acne treatment, to be used in a routine with a serum (Cleanser -> Serum -> BHA gel). Can I use the following formulas?...
Adding Glycerin 99.5% to Cleansing Oil
Regarding adding Glycerin 99.5% to Cleansing Oil: * Can Glycerin 99.5% be added to Cleansing Oil? * If yes, what is needed to emulsify oil and Glycerin?
Thickening Massage Oil into Gel Without Heat
How can I thicken a massage oil mixture consisting of Essential Oil, liquid paraffin (mineral oil), and Camphor into a gel without using heat? I am looking for a suitable...
Ingredients Containing Preservatives
Could you please tell me which of the following ingredients contain preservatives? * Galactomyces Ferment Filtrate (Pitera) * Double Hyaluron Liquid * Repair Activator™ BG *...
Alternative to SiliSolve Plus for Stabilizing Complex Formula
I have a complex formula containing various oils, silicones, waxes, a clay gel, and a high pigment load that is experiencing separation. SiliSolve Plus was recommended for its...
Spray-Mix™ Oil Limit, Using Milk Lotion Maker, and Gel Texture
I have questions about using Spray-Mix™: 1. Regarding the limitation of Spray-Mix™, it is stated that the oil content should not exceed 10%. If the oil content is higher than...
Polysilicone-15 in Sunscreen: SPF Boosting and Usage
What is the recommended use of Polysilicone-15 in sunscreen formulations? What is its function, and what is the estimated SPF when used alone at 10% concentration?