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Using Water-Soluble Sunscreen in Water-in-Oil Formula

Can Terephthalylidene dicamphor sulfonic acid (Na-Ecamsule), a water-soluble sunscreen active, be incorporated into a Water-in-Oil formulation, specifically when using...

Cosmetics Compatibility Solubility Sunscreen Formulation Water-in-Oil
Posted by fernananan
Issue with Cooling Agents in Children's Mouthwash

Why did using WS-23, WS-3, and WS-12 cooling agents at 0.3% concentration in a children's mouthwash formula cause tooth and gum pain, and how can this be resolved?

Cosmetics Concentration Cooling Sensation Mouthwash Oral Irritation Pediatric Usage
Posted by puntipa.cmh
Analysis of Skincare Serum Ingredient List and Benefits

Could you please analyze this ingredient list for a skincare product (likely a serum) and explain the function and benefits of the key components?

Cosmetics Hydration Serum Skin Brightening Soothing Effect Wrinkle Reduction
Posted by dadada4048
Information about Energy-Blend™ Ingredient Concentration

What are the concentrations of Caffeine, Adenosine, and Vitamin B3 within the Energy-Blend™ product, or can the MSDS be provided for calculation purposes in a formulation?

Cosmetics Amount Calculation Concentration Formulation Examples Ingredient Availability Powder
Posted by touytong007
Combining PHA and Encapsulated Salicylic Acid (BHA) in a Formula

Can I combine the following ingredients in a single formula, which will consist only of these components plus water? * Natural PHA (Gluconolactone) 10% * Encapsulated Salicylic...

Cosmetics BHA Compatibility Polyhydroxy Acid (PHA) Serum Skin Irritation
Posted by meimeiriddhiraksa
Achieving Dark, Long-lasting Color in Eyebrow Products using Pigments

For producing eyebrow products, how can I make the color darker and blacker, and last longer? Currently, I use water-soluble color for coloring the product. What should I do to...

Cosmetics Dispersion Eyebrow Product Film Former Long-lasting Pigment
Posted by naporn.wa
Peptide Serum Formulation for Anti-Wrinkle

I am formulating a serum with the following ingredients: * Tetrapeptide-21 3% * Pep®-Coll (Palmitoyl Tripeptide-5) 3% * Hexapeptide-9 2% * Acetyl Octapeptide-3 (eq. SNAP-8) 10%...

Cosmetics Anti-aging Formulation Suitability Peptide Serum Wrinkle Reduction
Posted by austiname789
Solid Perfume Beads Not Absorbing Fragrance

I used solid perfume beads with various liquid fragrance mixtures (including reed diffuser type, body spray type, and 'น้ำปรุง' containing DEB, PG, fragrance, and plant...

Cosmetics Absorption Beads Compatibility Ingredient Ratio Performance Effect
Posted by nubuez
Vitamin C Serum Formulation: Mixing and FDA Registration

Can the provided Vitamin C serum formulation, including Purified Water, Disodium EDTA, Phenoxyethanol, Ascorbyl Tetraisopalmitate, Vitamin E, and Light Cream Maker, be mixed...

Cosmetics Compatibility Emulsifier Product Registration Serum Stability
Posted by joysaung
Pungent Odor in Serum Formulation

A user has formulated a liquid serum containing Glycosamin, Repair ac, Fullerine, QuickColl, Ectoin, Mind, DMI, and a toner base. They observe a strong, pungent odor after...

Cosmetics Fragrance Odor Odor Reduction Serum Solvents
Posted by thelittledraco
Strong Pungent Odor in Serum Formula: Identifying Source and Solutions

My cosmetic formula, containing ingredients like Rosa Hybrid Cell Extract, Snow Algae, Dragon Blood Extract, Hyaluronic Acid Gel Base, Repair Activator (Bifida Ferment Lysate),...

Cosmetics Fragrance Odor Odor Reduction Serum Yeast Derived Ingredients
Posted by here.here.here900
Modifying Oil Soap Formula: Oil Substitution and Essential Oil Addition

Regarding the provided liquid oil soap formula for dry, sensitive skin, can the combination of Fractionated Coconut Oil (46%) and Jojoba Oil (5%) be replaced by other oils...

Cosmetics Fragrance Ingredient Ratio Liquid Soap Oil-based Formulation Sensitive Skin
Posted by jaranphairee
Analysis of a Multi-Active Serum Formulation

Can you analyze this serum formulation containing Bifida Ferment Lysate, Saccharomyces Lysate Extract, Niacinamide, and Acetyl Glucosamine, explaining the function of each...

Cosmetics Active Ingredient Penetration Enhancer Serum Skin Brightening Wrinkle Reduction
Posted by sayrom5955
Preservatives for Sensitive Eye Area Products

What are suitable and gentle preservatives recommended for cosmetic products specifically formulated for the sensitive eye area?

Cosmetics Eye Care Gentle Formulation Preservation Sensitive Skin
Posted by thitinankongkaw
Toner Formulation: Texture Issue & Solubility Problems

I formulated a toner using Wakame Extract (3%), Complex Salicylic Acid (5%), Lactobionic Acid (3%), Zinc PCA (1%), Laurocapram (2%), Rose Water (81.3%), EDTA (0.2%), Allantoin...

Cosmetics Precipitation Solubility Texture Toner pH Suitability
Posted by nutik_2005
Dissolving Palmitamide MEA in Ethoxydiglycol

Is 2.5% Ethoxydiglycol sufficient to dissolve 1% Palmitamide MEA, and what are the recommended conditions?

Cosmetics Concentration Mixing Procedure Solubility Solvents
Posted by kookkaiiip
Analysis of Cosmetic Ingredient List with UV Filters

Please analyze the following cosmetic ingredient list to help me understand the product's function and the role of each ingredient: * Aqua/ Water/ Eau * Homosalate * Glyceryl...

Cosmetics Cosmetic Formulation Cream Ingredient Analysis Ingredient Function Sun Protection
Posted by ann_pooh88
Titanium Dioxide Performance in Silicone and Water-in-Silicone Formulations

What is the performance of Titanium Dioxide Transparent (15nm, Dimethicone Coated) and Titanium Dioxide 15nm Liquid (Gloss) when used in silicone-only or water-in-silicone...

Cosmetics Dispersion Performance Effect Stability Sun Protection Water-in-Silicone
Posted by pasinnm
Carbomer Ultrez 21 Oil Tolerance and Function

What is the maximum percentage of oil that Carbomer Ultrez 21 can support, and how does it function in formulations containing oil?

Cosmetics Emulsion Gel Formation High Oil Content Oil Compatibility Powder
Posted by juron66
Formulation Review for Light Serum/Lotion

How to formulate a light, non-greasy serum/lotion containing Microneedle Sponge, various peptides, extracts, and oils, specifically asking for advice on emulsifier choice,...

Cosmetics Compatibility Mixing Procedure Serum Texture pH Suitability
Posted by aoonjung