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Thickeners for Serum Formulation

How can I thicken a serum formulation? Can thickeners typically used for creams also be used, and what specific thickeners are recommended for serums to increase viscosity...

Cosmetics Serum Texture Texture Modification Thickener Viscosity
Posted by goalko
Semi-Permanent Hair Color Shampoo Formula and Usage

Is the formula 90% Semi-Permanent Hair Color Shampoo Base and 10% Semi-Permanent Hair Colorant correct for a gray hair covering shampoo? Do I need to add water or other...

Cosmetics Color Longevity Ingredient Ratio Semi-Permanent Color Shampoo White Hair Coverage
Posted by nuttawoot.percy
Reducing Eye Irritation in Shampoo

What ingredients or bases can be added to a shampoo formula to reduce eye irritation and make it a "No-Tears" product?

Cosmetics Gentle Formulation Shampoo Shampoo Base Surfactant
Posted by wenikaliem
HPMC Gelation Problem and Correct Method

How can I properly make a gel using HPMC 1% (120000cP)? I attempted to disperse it in room temperature water, adjusted the pH below 7 as recommended, and then heated it above...

Cosmetics Gel Gel Formation Mixing Procedure Solubility Texture
Posted by diyskincare888
Dissolving Protec™ OX in Cream/Serum Formulations

How can I effectively dissolve the oil-soluble antioxidant Protec™ OX, which requires heating to 70-80°C in the oil phase, for use in cream and serum formulations, especially...

Cosmetics Cream Heat Stability Odor Reduction Serum Solubility
Posted by sakul_wudangzhan
Cosmetic Formulation Stability and Compatibility Issues

Seeking analysis of provided serum and cream formulations to identify the causes of observed stability and compatibility problems.

Cosmetics Compatibility Cream Serum Stability
Posted by nutygirl2543
Liquid Hand Soap: Formulation for Easy Rinsing

How to formulate a liquid hand soap that rinses off easily and quickly without leaving a slippery residue?

Cosmetics Easy Rinsing Liquid Soap Residue Slip Surfactant
Posted by vrn10
Clear, Waterproof, Sweat-proof False Eyelash Glue Formulation

Could you provide a formulation for a clear false eyelash glue that is long-lasting, waterproof, and sweat-proof?

Cosmetics Adhesion Clarity Film Former Long-lasting Waterproof
Posted by smile.hippy
Coal tar Solubility in Surfactants

Which types of surfactants can dissolve or disperse Coal tar?

Cosmetics Dispersion Solubility Surfactant
Posted by utsanee_a
Using Color Changing Pigment (D&C Red 21) in Anhydrous Balm Stick

When using D&C Red 21 Color Changing Pigment in an anhydrous balm stick formula, is pH control necessary for the color change to occur? Also, what medium should be used to...

Cosmetics Anhydrous Formulation Color Changing Solubility Stick pH Suitability
Posted by nongni_bangpoo
Balm Formulation Review, Preservatives, and Antioxidants

Review of a balm/stick formulation including Rice Bran Wax, Cocoa Butter, oils, and extracts, with specific questions about selecting between Mild Preserved Eco and...

Cosmetics Ingredient Selection Preservation Stability Stick Texture
Posted by busarin44
Ingredients and pH Adjustment of Stabilized Vitamin C Serum

What are the ingredients of Stabilized Vitamin C (Natural-C Glycol™) Serum and how can its pH be adjusted to 3.5 for cosmetic product formulation?

Cosmetics Acidic Formulation Ingredient Declaration Serum Stability pH Adjustment
Posted by everglow.2563
Fixing Thin Cream Made with Silk Cream Maker

I made a cream using Silk Cream Maker at 4%, but it turned out very liquidy. I suspect high electrolyte content might be the cause. How can I increase the viscosity after the...

Cosmetics Cream Ingredient Interaction Texture Usage Percentage Viscosity
Posted by jarinrat0624
Formulation Assessment and Mixing Instructions for Glowing and Plump Skin Product

Can the provided list of ingredients, including Alpha Arbutin, Aloe Vera, Super-HYA™, Jojoba Oil, Witch Hazel, Allantoin, Vitamin E TPGS, Cica Sleeping Mask Base, Pure-TECA™,...

Cosmetics Compatibility Cream Mixing Procedure Plump Skin Skin Brightening
Posted by jommingy.jmg
Evaluating a Skin Whitening and Brightening Formula

Based on the provided list of ingredients and their percentages, how effective is this formula for achieving skin whitening and brightening?

Cosmetics Serum Skin Brightening Stability pH Suitability
Posted by jommingy.jmg
Mixing Vitamins and Supplements into Food and Drinks

Can all vitamins and supplements be mixed directly into food and drinks, or do some require specific preparation or processing beforehand?

Cosmetics Capsule Food Application Powder Ready-to-drink Solubility
Posted by mistercheyoungdo
Alternatives for Oil Gelling Agent in Clear Lip Gloss (Smell/Fumes Issue)

I am using Oil Thick™ Clear S to make clear gel lip gloss, but I experience a strong smell and fumes during mixing. Can you recommend alternative oil gelling agents for a clear...

Cosmetics Formula Alternatives Lip Gloss Odor Reduction Oil Gellant Smoke
Posted by justfaidindyeye
Shampoo Formulation: Solubilizing Essential Oil and Foaming

In a shampoo formulation containing 15% Clarify-Wash and 2% essential oil in DI Water, what alternative solubilizer can be used for the essential oil instead of Flora Foam, and...

Cosmetics Foaming Shampoo Solubility Solubilizer
Posted by pockyrainy
Liquid Foundation Stability and Mixing Issues with SPF Active

My Liquid Foundation SPF50 PA++ formula separated after mixing, with clear water on top. What are the possible reasons and solutions for this phase separation? Also, does the...

Cosmetics Liquid Foundation Mixing Procedure Phase Separation Stability Sunscreen Formulation
Posted by weerapat.army
Usage and Properties of Skin Barrier Cream Base (Emulsifier Free)

Can Skin Barrier Cream Base (Emulsifier Free) be used at 100% concentration for dry areas like heels, elbows, and knees, or should it be mixed with other ingredients? Does this...

Cosmetics Cream Hydration Ingredient Ratio Skin Barrier Repair Use during Pregnancy
Posted by phattharaphon.sth