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Issue with new digital pH meter stuck at '1.'

I recently purchased a new digital pH meter and this is my first time using it. When I turn on the device (without immersing it in water), the display shows '1.'. I then tested...

Cosmetics Calibration Equipment Issue pH Measurement
Posted by thejumpboy3
2014-09-11
Using Vitamin C Repair Serum for Skin Brightening

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
2014-09-10
Phenoxyethanol Concentration, Usage, and Irritation Risk in Formulations

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
2014-09-10
Acidity and Effectiveness of Encapsulated Salicylic Acid (BHA) in Facial Cleanser

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
2014-09-10
Alternative to Sulforawhite and Eye Cream Formula Review

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
2014-09-10
Serum Formulation: Troubleshooting Separation and Ingredient Mixing

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
2014-09-09
Formulation for Reducing Blackheads and Tightening Pores

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
2014-09-09
Custom Cream: Why is it Yellow & Can I Use it Day/Night?

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
2014-09-09
Adding Vitamin C Ultra-Fine and Allantoin to Powder: Absorption, Stability, and Usage

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
2014-09-09
Skincare for Itching, Scars, and Dark Spots During Pregnancy: Product Safety and Ingredient Concerns

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
2014-09-09
Shower Gel Formulation: Ingredient Functions, Alternatives, and Fragrance

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
2014-09-08
Modifying Copyrighted Vitamin C E Ferulic Formula

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
2014-09-08
Two-Layer Tint Formulation with Oil Base and Water-Soluble Color

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
2014-09-08
Coco Betaine Usage in Gentle Facial Cleansers for Sensitive Skin

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
2014-09-08
Adjusting Face Cream Formula for Normal Skin and Adding SPF 25

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
2014-09-07
Combining Oil-Soluble Vitamin E and Water-Soluble Vitamin C in Formulations

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
2014-09-07
Stock status of SugarThick

When will the product SugarThick be back in stock?

Cosmetics Product Availability
Posted by deejajum66
2014-09-07
Cosmetic FDA Registration: Requirement for Prohibited Substance Testing

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
2014-09-07
Formulation Questions: Facial Spray (Water/Silicone Mixing) and Vitamin A Body Oil

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
2014-09-06
Usage of Timed-Release BHA Toner for Acne: Clogged vs. Inflammatory

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
2014-09-05