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Glycolic Acid Powder Turning Liquid: Storage and Effectiveness

I bought Glycolic Acid powder (10g jar) about 3-4 weeks ago. I stored it at room temperature, away from sunlight. Today, I opened it and found that it has turned into a liquid...

Cosmetics Effectiveness Moisture Sensitivity Powder Stability Texture
Posted by tonghiha9448732
Adjusting the pH of Cream: From Extreme to Neutral

My cream has a pH value that is too low (below 3) or too high (above 8). How can I adjust its pH to a neutral range, around 7, using common cosmetic ingredients? What are the...

Cosmetics Cream Formulation Adjustment Skin Compatibility Stability pH Adjustment
Posted by jeerasak.jen
Myristyl Nicotinate (Max-B3™) Availability and Information

I am looking for Myristyl nicotinate. Could you please tell me if it is available for purchase? Also, I would like to know its properties and how to use it in a formulation. I...

Cosmetics Active Ingredient Ingredient Availability Oil-based Formulation Solubility Usage Percentage
Posted by plantycoon
Improving Cream Texture: Reducing Tackiness and Adding Smoothness

I have made a cream using Luxury Cream Maker. The initial texture is good, but it feels slightly tacky after it absorbs into the skin. I want to improve the texture to be...

Cosmetics Cream Formulation Adjustment Silicone Stickiness Texture
Posted by jn_andy
Appropriate Usage Percentage for Natural Oils like Macadamia Nut Oil

What is the appropriate usage percentage for natural oils such as Macadamia Nut Oil (Deodorized) in cosmetic formulations, and what factors should be considered when...

Cosmetics Formulation Adjustment Hydration Oil Texture Usage Percentage
Posted by teera.sen
Pine Bark Extract: Liquid vs. Powder, Effectiveness, and Usage in Formulation

Regarding the new liquid Pine Bark Extract, how does its concentration (25%) compare to the old powder form (90%+)? What is the appropriate usage percentage, such as 1.25%...

Cosmetics Antioxidant Effectiveness Formulation Adjustment Ingredient Comparison Ingredient Suitability
Posted by korea-kon
Mixing Phenoxyethanol and Ethylhexylglycerin in Water-Based Gel

How to mix Phenoxyethanol and Ethylhexylglycerin (from Mild Preserved) into a water-based gel formulation that does not contain alcohol?

Cosmetics Gel Mixing Procedure Preservation Solubility Water-based Formulation
Posted by jeerasak.jen
Coloring Shampoo Dark Grey to Black

How can I color shampoo to a dark grey or black shade using water-soluble color powder, and what is the recommended mixing method given its high concentration?

Cosmetics Color Adjustment Coloring High Concentration Mixing Procedure Shampoo
Posted by koat78
Ingredients for Reducing Allergic Reactions

What ingredients are recommended for reducing allergic reactions, specifically Allantoin and SKIN-DEFENSE®? Is it better to use Allantoin first and then add SKIN-DEFENSE® if needed?

Cosmetics Ingredient Selection Sensitive Skin Skin Barrier Repair Skin Irritation Soothing Effect
Posted by ann_dc
Review and Feedback on Multiple Cosmetic Formulations

I would like a review of the following four cosmetic formulations, including feedback on ingredient compatibility, concentrations, mixing methods, and overall viability: **1....

Cosmetics Compatibility Cosmetic Formulation Formulation Adjustment Texture Toner
Posted by chromos82
Cream Formulation for Dry Skin: Face vs Body Differences and Ingredient Functions

I have a cream formulation using Light Cream Maker™. Can this formula be used for the face? What are the differences between face cream and body cream formulations? Also, what...

Cosmetics Cosmetic Formulation Cream Hydration Skin Dryness Texture
Posted by misslanicej.smith
Skin Reaction (Increased Acne) to Homemade 10% Glycolic Acid Solution

I tried mixing and using a solution myself with a ratio of Water : Glycolic Acid powder of 100g : 10g. I applied it morning and evening for about 7 days, and I started to get...

Cosmetics Acidic Formulation Acne Treatment Ingredient Ratio Skin Irritation Solution
Posted by tonghiha9448732
Adding Azelaic Acid to Pro Polymer Gel and Foaming Issues

I am formulating a gel using Pro Polymer. I initially tried mixing Azelaic Acid (Water Soluble) in water first, then adding Pro Polymer, which resulted in significant foaming....

Cosmetics Azelaic Acid Foaming Formulation Adjustment Gel Mixing Procedure
Posted by ideepindesign
Formulation Review and Feedback for Multiple Products

I would like to request a review of several cosmetic formulas I have developed. Initially, I encountered an issue trying to mix a high percentage of oil (15% LipidSoft™) with...

Cosmetics Compatibility Formula Review Formulation Adjustment Ingredient Suitability Stability
Posted by nattanitcha.8
HLB values and properties of cosmetic ingredients

Could you please provide information regarding the HLB values and properties of the following cosmetic ingredients? * Octyl methoxycinnamate * Octocrylene * Isohexadecane *...

Cosmetics Emollient Emulsifier Film Former HLB Value
Posted by herbamic2013
Mixing Actives into Existing Creams: Solubility and Stability

I want to add active ingredients to an existing cream product. I have two questions regarding the mixing instructions: * If the instructions say "mix in the final step," does...

Cosmetics Cream Formulation Adjustment Ingredient Addition Solubility Stability
Posted by jn_andy
Formulating a Non-Sticky DMAE + Vitamin B5 Gel

I want to formulate a product containing DMAE and Vitamin B5. I'm concerned about stickiness and the need for a preservative. How can I create a non-sticky gel formulation with...

Cosmetics Gel Gel Formation Non-sticky Texture Preservation Texture Modification
Posted by jn_andy
Stability and Preservation of Liquid Skin Brightening Formula with Soy Extract

I have a liquid formula for skin brightening containing Soy Extract. Will this formula be stable, and do I need to add a preservative?

Cosmetics Precipitation Preservation Skin Brightening Solution Stability
Posted by fah_3058
Fragrance vs. Flavor for Lip Products

What is the difference between using fragrance and flavor in lip products (lip balm, lipstick, lip gel)? Which is recommended and why? Are suitable flavors available on this website?

Cosmetics Flavor Fragrance Ingredient Availability Ingredient Suitability Lip Product
Posted by misslanicej.smith
Emulsifying Cyclomethicone with Light Cream Maker vs SiliSolve/SiliSolve Plus

How can Cyclomethicone be emulsified in a formulation using Light Cream Maker? Is it necessary to use SiliSolve or SiliSolve Plus, particularly when incorporating a high...

Cosmetics Emulsification Emulsifier Ingredient Comparison Silicone Usage Percentage
Posted by plutopon.ntk