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I have dry, dehydrated skin with freckles, and I am 37 years old. I want to make a facial cream using the following formula: **Formula 1:** * Activated Resorcinol 1% * MSH...

Cosmetics Anti-aging Cream Eye Care Mixing Procedure Skin Brightening
Posted by thananyakraphong
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I am developing a Physical Sunscreen SPF50 PA+++. I have a few questions regarding the formulation: * Are the ingredients I plan to use compatible? * Is my mixing procedure...

Cosmetics Mixing Procedure Sun Protection Sunscreen Formulation Usage Percentage Waterproof
Posted by natamon54
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I have two cosmetic formulations and would like advice on ingredient compatibility, texture, and stability. **Formulation 1:** A liquid gel formulation with the following...

Cosmetics Compatibility Cosmetic Formulation Solubility Stability Texture
Posted by khunchinz
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Is **Proanthocyanidins** (Grape Seed Extract) stable, especially when formulated into a cream? What factors influence its stability in a cream product?

Cosmetics Active Ingredient Cream Oxidation Packaging Stability
Posted by sakonm.ib
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I am trying to formulate a serum using **Retinyl Acetate (powder) (ID 1035)**. I have tried dissolving the powder in ethanol and mineral oil, but it does not dissolve. What is...

Cosmetics Cosmetic Formulation Powder Serum Solubility Solvents
Posted by psaenawatanakul
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I need a face cream that can also be used around the eyes. My skin type is dry and dehydrated with freckles. I am 37 years old. I have formulated the following: **Formula 1:**...

Cosmetics Cream Eye Care Mixing Procedure Skin Brightening Skin Dryness
Posted by thananyakraphong
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I have questions regarding the compatibility of several cosmetic ingredients: 1. Should Ascorbyl Glucoside (AA2G), also known as stabilized vitamin c, be avoided when used with...

Cosmetics Compatibility Gel Ingredient Interaction Stability pH Suitability
Posted by thelittledraco
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Regarding a Vitamin A Oil Gel formulation, what are the recommended usage percentages for Protect UV, Protect OX, and Tocopheryl Acetate, and what is the suitable mixing...

Cosmetics Mixing Procedure Oil Gel Oxidation Stability Usage Percentage
Posted by momolovejung
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In cosmetic formulations, are C14-22 alcohols considered the same group as other alcohols like solvents (e.g., Ethyl Alcohol, Isopropyl Alcohol) or emollients? How are...

Cosmetics Emollient Ingredient Classification Ingredient Function Solvents Texture Modification
Posted by modtanoy21
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What is the difference between Methyl Ionone Gamma (70%) and Methyl Ionone Gamma (95%) in fragrance formulation?

Cosmetics Fragrance Ingredient Comparison Perfume Purity Scent Profile
Posted by sumethee10
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I am trying to make a sunscreen using the following ingredients: Water, Light Cream Maker, Zinc Oxide 35nm Liquid (15%), and Titanium Dioxide 15nm Liquid (12%). I encountered...

Cosmetics Cream Emulsifier High Oil Content Hot Process Formulation Sunscreen Formulation
Posted by poupees2489
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I would like to know the formulations for making scented beads and reed diffusers. Specifically, I need to know the recommended mixing ratios for the ingredients and tips on...

Cosmetics Fragrance Diffusion Fragrance Formulation Fragrance Longevity Reed Diffuser Scented Beads
Posted by marang.pikachu
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I am trying to make a 2% BHA serum in a water base but am experiencing precipitation. * I first tried dissolving BHA in 7% Isopentyldiol and then adding 91% water, but the BHA...

Cosmetics Co-solvent Cosmetic Formulation Precipitation Serum Solubility
Posted by ssper1997
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I would like to request a review of my gentle facial cleanser formula designed for sensitive, oily, acne-prone skin with large pores, dullness, dryness, and loss of firmness. I...

Cosmetics Acne-prone Skin Facial Cleanser Foaming Sensitive Skin pH Adjustment
Posted by natakrit
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I would like to know how to make a serum with Mandelic Acid at a concentration of 30% using the following formula: * Mandelic Acid: 30% * AnyGel™: 1% * Isopentyldiol: 2% *...

Cosmetics Acidic Formulation Formulation Examples High Active Content Serum Solubility
Posted by mp.natry
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I am making a herbal oil medicine formulation as a Water-in-Oil (W/O) emulsion with 50% oil content. I plan to use `Polyglyceryl-3 Polyricinoleate` and `Magnesium Sulfate` as...

Cosmetics Emulsifier Formulation Feasibility High Oil Content Mixing Procedure Water-in-Oil
Posted by egoless
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I am making soap using the Cold Process method. Can I use natural extracts and clay in Hot Process soap as well? Specifically, how do natural extracts and clay behave in both...

Cosmetics Bar Soap Cold Process Formulation Hot Process Formulation Natural Ingredients Stability
Posted by mnj_mimi
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Do you offer SPF testing services for homemade sunscreen formulations? If so, what are the details, cost, sample requirements, and turnaround time, including measurement of SPF...

Cosmetics Cream Product Registration SPF/PA Testing Sun Protection Sunscreen Formulation
Posted by poupees2489
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I am developing a cream for sensitive, very dry, flaky skin. My proposed formula includes the following ingredients with approximate percentages: * Sodium PCA (2%) * Rhamnose...

Cosmetics Cream Mixing Procedure Sensitive Skin Stability Very Dry Skin
Posted by jsomchit
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Hello team, I purchased raw materials to make my own cosmetic products. However, after using them, I feel pain in both eye sockets, but there is no rash or allergic reaction....

Cosmetics Concentration Cream Eye Irritation Mixing Procedure Serum
Posted by thananyakraphong
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