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I am interested in making a facial cleanser based on the Mild Facial Cleanser DIY formula, but I have combination and acne-prone skin. The expert suggested adding Salicylic...

Cosmetics Acne Treatment Acne-prone Skin Clarity Facial Cleanser Solubility
Posted by seeluw
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I have some questions about Retinaldehyde. Could you please clarify the conversion pathway from Retinol to Retinaldehyde and then to Retinoic Acid in the skin, and how their...

Cosmetics Daytime Use Ingredient Comparison Ingredient Function Ingredient Suitability Use during Pregnancy
Posted by ratthakan_d
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My Salicylic Acid gel product has become too thin. I want to add a gelling agent to thicken it back up. Which gelling agent can I add without using heat?

Cosmetics Formulation Adjustment Gel Gelling Agent Texture Modification Thickener
Posted by naruephon.p
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I am trying to manage melasma and dark spots without laser treatment. I previously asked about using Activated Resorcinol S during the day and potential issues, but the staff...

Cosmetics Compatibility Cream Skin Brightening Stability Sunscreen Formulation
Posted by jn_andy
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What are the differences between the various lemongrass (Citronella Java, Lemongrass India, Citronella Thailand) and lavender (Lavandin Abrialis, Spike Lavender, Lavender Oil...

Cosmetics Cream Essential Oil Mixing Procedure Mosquito Repellent Scent Modification
Posted by donotgiveup12345601
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Why do counter brands use a large number of ingredients (20-30+) in their products, and how can stickiness be avoided in formulations, especially when incorporating many...

Cosmetics Cosmetic Formulation Cream Serum Stickiness Texture Modification
Posted by suelavivia669
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I'm experiencing difficulty dissolving L-Ascorbic Acid from the China batch compared to the UK batch, even when using the same formulation method. Why is this happening, and...

Cosmetics Crystallization Formulation Adjustment Ingredient Quality Solubility Stability
Posted by officialpon
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Regarding Vitamin C E Ferulic (Lite), what color does it change to when it expires due to air exposure?

Cosmetics Color Changing Degradation Oxidation Serum Stability
Posted by narueponc
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What is the difference between mineral powder and translucent powder? I want to make a loose powder that is: * Lightweight * Oil-controlling * Can set foundation well *...

Cosmetics Cosmetic Formulation Ingredient Suggestion Oil Control Powder Texture
Posted by myboeing2
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I am formulating a product containing Glutathione (ID 225), Zinc PCA (ID 252), L-Carnitine (ID 157), and Vitamin C (L-ascorbic acid, ID 133). I am encountering difficulties...

Cosmetics Ingredient Interaction Precipitation Solubility Stability Topical Application
Posted by poolyplus
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Could you please provide a revised body lotion formula that focuses on enhancing moisture and supporting the skin barrier, while also considering the potential scent of Sea...

Cosmetics Fragrance Hydration Lotion Skin Barrier Repair Texture
Posted by iamsuwajee
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I previously used a formula with Natto Gum and Green Tea Extract at 1%, which caused irritation but provided significant brightening. Reducing the concentration to 0.5% reduced...

Cosmetics Compatibility Serum Skin Brightening Skin Irritation Usage Percentage
Posted by jayme789booher
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I would like to know if **Soy Lecithin** from MySkinRecipes can be used to encapsulate a natural ingredient that darkens upon exposure to air and light into **liposomes** to...

Cosmetics Encapsulation Light Sensitivity Liposome Oxidation Stability
Posted by teptawan
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I received a product containing Vitamin C (L-Ascorbic Acid). I would like to know: * Is the Vitamin C already mixed into the product? * How can I verify its presence? * What...

Cosmetics Ingredient Detection Serum Stability pH Measurement pH Suitability
Posted by ramacno
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My Pro-Niacin product was accidentally refrigerated and now has sediment/crystals. Can I still use it, and how can I restore its texture?

Cosmetics Crystallization Serum Stability Storage Conditions Texture
Posted by dextersz222
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I have formulated a serum using Repair Activator (Bifida Ferment Lysate), N-Acetyl-D-glucosamine (GlucoBright™), Vitamin B3 (Safe-B3™ Niacinamide), Double Hyaluron Liquid, Pro...

Cosmetics Formulation Adjustment Ingredient Addition Mixing Procedure Serum Texture
Posted by suvimon_oa
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I am developing a cream formulation and have encountered several issues: 1. My latest batch using `Water-in-Oil EZ` emulsifier separated. The formula contains `Activated...

Cosmetics Compatibility Cream Phase Separation Skin Brightening Stability
Posted by jn_andy
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I am looking for a formula for a body scrub that also has cleansing properties. I would like to incorporate scrub powder such as apricot kernel powder. Could you provide a...

Cosmetics Cleaning Exfoliation Formulation Examples Scrub Surfactant
Posted by suvi.apple
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I am developing a night cream for oily, dull, and mature skin. I plan to use the following ingredients and percentages: * Vitamin B3 (Niacinamide): 4% * N-Acetyl Glucosamine:...

Cosmetics Anti-aging Cream Formulation Adjustment Ingredient Suitability Oily Skin
Posted by suvi.apple
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I am making natural soap and want to add `BabyFoam` (`Sodium Cocoyl Isethionate`). * When should I add `BabyFoam`? Is it water-soluble? * How is the recommended usage...

Cosmetics Ingredient Addition Natural Formulation Soap Solubility Usage Percentage
Posted by pinjuta.singnoo
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