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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?

Cosmetics Anhydrous Formulation Balm Effectiveness Serum Solubility
Posted by admin
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...

Cosmetics DIY Formulation Formulation Examples Gel Ingredient Selection Stability
Posted by kanokkannunhong
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...

Cosmetics Anti-aging Preservation Serum Skin Brightening Texture Modification
Posted by natom_za
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...

Cosmetics Compatibility Effectiveness Light Sensitivity Oil Stability
Posted by brava034
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...

Cosmetics Cosmetic Formulation Ingredient Interaction Serum Stability pH Adjustment
Posted by uuminaka
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...

Cosmetics Cleansing Oil Effectiveness Ingredient Function Liquid Soap Mixing Procedure
Posted by brava034
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...

Cosmetics Compatibility Gel Gelling Agent Preservation Stability
Posted by nichasrisawan
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...

Cosmetics Cream Dispersion Powder Stability Water-in-Oil
Posted by aaribabar
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...

Cosmetics Lipstick Mixing Procedure Oil Gellant Solidification Stick
Posted by salinyapak
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...

Cosmetics Natural Ingredients Shampoo Base Shampoo Formulation Silicone-Free Sulfate-Free Formulation
Posted by dao_punnapa
Fixing Lumpy BB Cream Texture with Polyethylene Wax

My **BB cream** formulation containing Polyethylene Wax has a **lumpy texture**. How can I fix this?

Cosmetics BB/CC Cream Grainy Texture Heat Stability Mixing Procedure Texture Modification
Posted by bkveryrich
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...

Cosmetics Cream Formulation Examples Ingredient Interaction Mixing Procedure Stability
Posted by ah_narathiwat
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...

Cosmetics Anhydrous Formulation Precipitation Serum Silicone-based Formulation Solubility
Posted by batblast41
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?...

Cosmetics Acne Treatment Facial Cleanser Gel Serum Thickener
Posted by phanjarosej
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?

Cosmetics Cleansing Oil Emulsifier Oil Compatibility Oil-based Formulation Solubility
Posted by sj_ying
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...

Cosmetics Cold Process Formulation Gel Gel Formation Oil Gellant Oil-based Formulation
Posted by jputee
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 *...

Cosmetics Ingredient Analysis Ingredient Declaration Preservation Raw Material Technical Documents
Posted by jiraratklin812
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...

Cosmetics Emulsification Formulation Adjustment Ingredient Alternatives Phase Separation Stability
Posted by jeeranuns
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...

Cosmetics Emulsifier Gel Phase Separation Spray Texture
Posted by taeioyou
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?

Cosmetics SPF Boosting Sunscreen Formulation Texture Usage Percentage
Posted by rr30