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Can 'Vitamin C Repair Serum' be used for skin brightening? What is the meaning of 'Repair' in the name, and how effective are different forms of Vitamin C for skin brightening?

Cosmetics Effectiveness Ingredient Comparison Serum Skin Brightening Stability
Posted by naasuaysai
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How should the percentage of Phenoxyethanol be calculated in a formulation, especially when some ingredients already contain this preservative, to ensure the total...

Cosmetics Challenge Test Concentration Cosmetic Formulation Preservation Skin Irritation
Posted by piyathida_23
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If a facial cleanser contains Encapsulated Salicylic Acid (BHA), will it still be acidic? How effective is BHA in a wash-off product like a cleanser compared to a leave-on...

Cosmetics Acidic Formulation Effectiveness Facial Cleanser Salicylic Acid Wash-off Application
Posted by leelavalin
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I am looking for an alternative to Sulforawhite that inhibits alpha-MSH, as Sulforawhite was not cost-effective. Could you recommend an alternative ingredient? Also, I have an...

Cosmetics Eye Cream Formula Review Ingredient Alternatives Mixing Procedure Skin Brightening
Posted by mayberich11
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I am formulating a serum and have several questions regarding ingredient usage and formulation issues: 1. **Warp Cream Maker™ with Cyclomethicone:** * Can `Warp Cream Maker™`...

Cosmetics Formulation Adjustment Mixing Procedure Phase Separation Serum Stability
Posted by boe_boeing
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How can I formulate a product to reduce blackheads on the nose and tighten pores using ingredients like Encapsulated Salicylic Acid, MSM, Licochalcone A, and Zinc PCA?

Cosmetics Clogged Pores Cosmetic Formulation Oil Control Pore Reduction Serum
Posted by jindawan.p
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I have a custom cream formulation containing the following ingredients: * Co-Enzyme Q10 5% * Licorice Root Extract * Green Tea EGCG * Pure Aloe Vera Gel * Hyaluronic Acid *...

Cosmetics Color Changing Cream Custom Formulation Skin Type Suitability Usage Method
Posted by noomnumber1
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I want to add **Vitamin C Ultra-Fine (L-ascorbic acid)** and **Allantoin** to a powder formulation. I have the following questions: 1. Can these ingredients simply be mixed...

Cosmetics Absorption Anhydrous Formulation Powder Stability Usage Percentage
Posted by isthislove
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During pregnancy, I experienced severe itching and hives, resulting in fresh and dry scars (some scabbed, some dark spots) all over my body. Now the itching is starting to...

Cosmetics Fragrance Hyperpigmentation Ingredient Safety Skin Irritation Use during Pregnancy and Breastfeeding
Posted by nid_put
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I am interested in a shower gel formulation with the following ingredients: Aqua, Ammonium Lauryl Sulfate, Cocamidopropylbetain, Shea butter, Sunflower oil, ricebran oil,...

Cosmetics Cosmetic Formulation Fragrance Ingredient Alternatives Ingredient Function Shower Gel
Posted by monrada16
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I am interested in creating a **Vitamin C E Ferulic** formula for my own brand, but I understand that the well-known formula is copyrighted. Could you please advise on how to...

Cosmetics Active Ingredient Cosmetic Formulation Custom Formulation Regulatory Compliance Serum
Posted by naasuaysai
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I am formulating a two-layer tint product using an oil base, specifically Avocado Oil. When left standing, the product separates clearly into an oil layer and a colored layer....

Cosmetics Bi-Phase Formulation Coloring Oil-based Formulation Phase Separation Serum
Posted by forever.arch
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I am formulating a gentle facial cleanser suitable for all skin types, especially sensitive skin. I have two potential formulations using different surfactant combinations and...

Cosmetics Facial Cleanser Gentle Formulation Sensitive Skin Surfactant Usage Percentage
Posted by malawadee
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I have a face cream formula for natural brightening that I want to adjust for normal skin. * Could you please review the formula and provide feedback, especially regarding its...

Cosmetics Cream Formulation Adjustment Normal Skin Sunscreen Formulation Texture
Posted by puntit_123
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How can oil-soluble Vitamin E and water-soluble Vitamin C be combined in a cosmetic formulation? Is direct mixing possible, or is a specific type of base (like a cream, lotion,...

Cosmetics Cream Emulsification Preservation Solubility Stability
Posted by naasuaysai
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When will the product SugarThick be back in stock?

Cosmetics Product Availability
Posted by deejajum66
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When applying for cosmetic FDA notification in Thailand, is it mandatory for the applicant to submit test results for prohibited substances from a medical science center...

Cosmetics FDA Registration Formulation Testing Ingredient Safety Prohibited Substances Regulatory Compliance
Posted by piyathida_23
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I have two formulation questions: **1. Facial Spray Formulation** I am developing a facial spray with the following ingredients: * Matrixyl™ 3000 * Argireline® * Lift-Now™ For...

Cosmetics Emulsification Mixing Procedure Oil Spray Storage Conditions
Posted by autumn1902
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Can Timed-Release BHA Toner be used as a spot treatment for inflammatory acne? I understand BHA helps with clogged pores, but applying it heavily on inflammatory acne might...

Cosmetics Acne Treatment Clogged Pores Skin Inflammation Spot Treatment Toner
Posted by piyathida_23
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Could you please explain what Glucosamine Hydrochloride is, its natural source, its function in the body (especially regarding cartilage and synovial fluid), and its typical...

Food Bone and Joint Health Effectiveness Ingredient Function Oral Application Osteoarthritis
Posted by leelavalin
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