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Preservatives for Cold Process Soap
Which preservative should be used for cold process oil soap intended for both face and body cleansing?
Cream Formulation: Addressing Sticky Texture and Ingredient Dissolution Temperatures
I am formulating a cream and encountering issues with a sticky and oily texture. I have questions regarding the dissolution temperature of Kojic Acid Dipalmitate and the...
Cream Formulation with Retinal, Tranexamic Acid, Natto Gum: Mixing and Texture
I have a cream formulation with the following ingredients: * Retinal (Retinaldehyde) 0.05% * Vitamin E (tocopheryl acetate) 0.5% * Tranexamic Acid 3% * Natto Gum 5% * Soft...
ClearClean Instability in Shampoo with High Oil and Polysorbate after pH Adjustment
I am making a shampoo formula containing approximately 12% oil. I used ClearClean at 8% along with Polysorbate (and omitted salt). After adjusting the pH with Citric Acid, the...
Carrier oil for acne-prone skin and fatty acid percentage inquiry
I would like to inquire about carrier oils for mixing with Tea Tree Oil for acne-prone skin. * Which oil should be used between **Grape Seed Oil** and **Evening Primrose Oil**,...
Gel Formula for Oily/Acne Skin: Suitability of Rose Hip Oil and Production Inquiry
I have a gel formula intended for oily and acne-prone skin. I am considering including Rose Hip Oil at 20% in the formula. I would like to know: 1. Is this formula,...
Inquiry about Blending Machine and Head Usage Differences
What are the usage differences between various types of blending machines and their heads?
Ingredient Substitution for jeesperse ICE-T AJ using Butter Cream Maker, Cocoa Butter, and Shea Butter
What ingredients can be used to substitute `jeesperse ICE-T AJ` and what is the recommended usage ratio for `Butter Cream Maker`, `Cocoa Butter`, and `Shea Butter`?
Gel Base Melting with Sodium Lactate Plus and Electrolyte-Tolerant Gel Makers
My gel base melted after adding Sodium Lactate Plus. Why did this happen, and what electrolyte-tolerant gel makers can I use instead to prevent the gel from liquefying?
Emulsifier for Acidic/Electrolyte Liquid Gel with Oils
I am formulating a liquid gel product containing approximately 20% oil phase (including LipidSoft Dry II, Natural Bisabolol, Stearyl Glycyrrhetinate, Licorice Extract...
Preservation Issues in Herbal Glycerin Soap with Phenoxyethanol SA
Regarding the formulation of herbal glycerin soap using fresh and powdered herbs: I am experiencing spoilage (likely mold) despite using `Phenoxyethanol SA` as a preservative....
Using Mild Preserved Eco in Powder Herbal Hair Dye
I would like to know how to incorporate `Mild Preserved Eco` into my powder herbal hair dye formulation, and what is the recommended usage rate?
Ingredients for Oil-Free Concentrated Serum
Based on the following list of ingredients, are they suitable for formulating an oil-free concentrated serum? * Allium Cepa Bulb Extract * Aloe Vera Extract * Centella Asiatica...
Seeking Cream Formulation for Thick Melasma with Steroid Use History
I have thick melasma and a history of using topical steroids. Could you please provide a cream formulation that can treat this condition?
Penetration Enhancers for Oil-Soluble Ingredients and Mixed Formulas
Regarding penetration enhancers: * Can 1,2-Hexanediol and Pentylene Glycol enhance the penetration of oil-soluble ingredients? * If they cannot enhance the penetration of...
Sufficiency of Cleansing Agents in Shampoo Formulation
Could you please advise on the sufficiency of the cleansing agents in the following shampoo formulation for general adult use? * `Clarify-Wash` (Sodium C14-16 Olefin Sulfonate)...
Adding Active Ingredients to Finished Cream
I have Himalaya Herbals Nourishing Skin Cream with the following ingredients: * Water (Aqua) * Mineral Oil * Glycerin * Cetyl Alcohol * Cetearyl Ethylhexanoate * Glyceryl...
Adding Mandelic Acid and Ethyl Panthenol to HADA LABO Lotion
I have HADA LABO Super Hyaluronic Acid Moisturizing Lotion with the following ingredients: * Water * Butylene Glycol * Glycerin * PPG-10 Methyl Glucose Ether * Methyl Paraben *...
Formula and Method for Solid Gel Perfume
Could you please provide a formula and mixing method for making a solid gel perfume? I am considering using the following components: * `Oil Thick Clear` 5-10% (depending on...
Alternative Thickeners and Opacifiers for Glitter Shampoo at pH 5.5
I want to add small **glitter** particles to a shampoo formula that is not clear. The formula is intended to have a pH of 5.5. 1. Are there any other **thickeners** besides...