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# Questions about Waxes and Skin Sensitivity Testing I have a few questions regarding waxes and skin testing: 1. Is it true that instant noodle cups are coated with wax that...

Cosmetics Food Application Ingredient Safety Lip Product Patch Testing Waxes
Posted by donotgiveup12345601
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Based on the following ingredient list, please identify the active ingredients and explain their functions: ``` Aqua,Mica,Neopentyl Glycol Diheptanoate,Titanium Oxide,...

Cosmetics Active Ingredient Anti-aging Cream Hydration Skin Brightening
Posted by ooy.roingan1
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I have issues with dark spots, uneven skin tone, and acne scars after extraction that don't fade. I also have melasma and small freckles. My skin is a T-zone type, and I work...

Cosmetics Melasma Treatment Oily Skin Scar Treatment Serum Skin Brightening
Posted by thanapon.a
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I made a formulation using **TransDerm A** and **TransDerm B** bases with the following active ingredients: * Acetyl Hexapeptide-8 (Argireline) * Pal-GHK * Pal-GQPR (Matrixyl...

Cosmetics Formulation Adjustment Spreadability Stickiness Texture Transdermal Application
Posted by aoonjung
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What is the composition and ratio of the water and oil components in the 50g package of **TransDerm**, which features **TransMoist™ (PPG-24-Glycereth-24)**? I understand it has...

Cosmetics Ingredient Ratio Penetration Enhancer Raw Material Stickiness Transdermal Application
Posted by nonvapon
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I am using a formulation with Tranexamic Acid 3% and plan to use it with Transderm. I understand that Tranexamic Acid can cause irritation, but is it safe to use at 3% with...

Cosmetics Compatibility Penetration Enhancer Skin Absorption Skin Irritation Usage Percentage
Posted by aragesear_champ
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Could you please explain the difference between Cyclomethicone and Silicone Base Gel and how they are used in a cosmetic formulation, specifically in a structure where the...

Cosmetics Formulation Adjustment Ingredient Comparison Silicone Texture Viscosity
Posted by arawin.w
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I am developing a serum formula for rapid wrinkle reduction using an Aloe Vera gel base. The formula includes the following active ingredients: * Azelaic Acid * DMAE Liquid *...

Cosmetics Electrolyte Tolerance Gel Serum Texture Modification Wrinkle Reduction
Posted by k.jupalak
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Can a solid thickener be added to a cream formulation after it has been mixed to increase its viscosity if it is too liquid?

Cosmetics Cream Formulation Adjustment Texture Modification Thickener Viscosity
Posted by arawin.w
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I am developing a 1kg gel formula using Encapsulated Salicylic Acid (BHA, Timed-Release). I calculated that for a 1kg batch, I would need approximately 66g of the BHA-Time...

Cosmetics Compatibility Formulation Adjustment Gel Gelling Agent Salicylic Acid
Posted by serumandcream
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Hello, thank you for your time answering. I have a question regarding the appropriate percentage of oil needed when making a face or body cream. What is the suitable range...

Cosmetics Cosmetic Formulation Cream Skin Brightening Stability Texture
Posted by arawin.w
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I want to combine the following whitening ingredients into a Transderm base: * Alpha Arbutin 2% * N-Acetyl D-Glucosamine 4% * Vitamin B3 (Niacinamide) 4% * Tranexamic Acid 3% *...

Cosmetics Compatibility Cream Mixing Procedure Skin Brightening Solubility
Posted by aragesear_champ
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My homemade AHA gel has developed a strong rancid smell. The staff has requested the detailed formula and mixing steps to diagnose the issue. What could be the potential causes...

Cosmetics Gel Microbial Contamination Oxidation Rancidity Stability
Posted by maychaya_19_
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I want to create a water-based cleansing formula, such as cleansing water. Can I use `MakeUp-Wash™` (PEG-6 Caprylic/Capric Glycerides) for this? What other ingredients should I...

Cosmetics Cleaning Water Emollient Makeup Removal Surfactant Water-based Formulation
Posted by knw1208
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I have developed a cosmetic formulation and would like feedback on its feasibility, stability, texture, and potential issues. I have calculated the ingredient percentages based...

Cosmetics Emulsification Ingredient Interaction Phase Separation Serum Stability
Posted by nonvapon
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When adding new ingredients to an existing cream or lotion formula, how should the percentages of the original ingredients be adjusted to maintain a total of 100%? For example,...

Cosmetics Cream Formulation Adjustment Ingredient Addition Ingredient Ratio Sunscreen Formulation
Posted by krittikakai
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I attempted to make a high SPF physical sunscreen for strong sunlight and uneven skin tone by mixing Zinc Oxide, Titanium Dioxide, and Dimethicone into a pre-made lotion base...

Cosmetics Cream Emulsion Phase Separation Physical UV Filter Sunscreen Formulation
Posted by jo.ratchaphat
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How to formulate a lightweight, fast-absorbing SPF 50 sunscreen gel? I would like to know how to create a sunscreen gel with the following properties: * SPF 50 * Lightweight...

Cosmetics Gel Skin Absorption Sun Protection Sunscreen Formulation Texture
Posted by freshy-beauty
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What is the shelf life of a cream or gel formulation containing royal jelly? Does the form of royal jelly used (powdered vs. fresh) affect the shelf life of the finished...

Cosmetics Cream Gel Preservation Shelf Life Stability
Posted by piramas
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What are the differences between Pro Polymer and Reshape Gel, particularly regarding their mixing process (heat requirement, shearing), resulting gel structure uniformity, and...

Cosmetics Effectiveness Gel Ingredient Comparison Mixing Procedure Skin Absorption
Posted by malawadee
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