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Comparison of Refined vs. Cold-Pressed Grape Seed Oil for Skin

Could you please provide information regarding the difference between refined and cold-pressed (Virgin Grade) grape seed oil, specifically highlighting the benefits of the...

Cosmetics Anti-aging Antioxidant Ingredient Comparison Oil Texture
Posted by tueyuu
Recommended Sunscreen Formulations

Could you please provide recommended formulations for sunscreen? I am looking for examples, specifically including: * A formula primarily using Physical Sunscreen (like...

Cosmetics Oil-in-Water Stability Testing Sun Protection Sunscreen Formulation Water-in-Oil
Posted by a.phanngam
Regarding BHA in Clear Bottles

Does BHA in a clear bottle degrade faster due to light exposure?

Cosmetics Degradation Light Sensitivity Packaging Stability Storage Conditions
Posted by laneige2048
Cream Lumping in Hot Process: Role of Emulsifiers

I am making a cream using the hot process method with the following ingredients: * Water (70%) * Olive oil (5%) * Cetyl alcohol * Glyceryl stearate * Vitamin B3 * Vitamin B5 *...

Cosmetics Clumping Cream Emulsification Emulsifier Hot Process Formulation
Posted by saifon.pf
Comedogenicity of Glyceryl Monostearate & Tocopheryl Acetate, and SE/NSE types

I have questions regarding the properties of two ingredients: 1. Is `Glyceryl mono sterate` comedogenic? Also, which type (SE or NSE) of `Glyceryl mono sterate` is sold on this...

Cosmetics Acne-prone Skin Comedogenicity Emulsifier Ingredient Availability Ingredient Suitability
Posted by hydronium_ion3
Inquiry about Olive leaf extract availability

Do you sell Olive leaf extract?

Cosmetics Future Import Ingredient Availability Natural Extract Supplier
Posted by dearporos
L-Ascorbic Acid Solubility in Water-Based vs. Anhydrous Formulas and Vitamin C Formula Comparison

I have two questions regarding Vitamin C formulations: 1. Can I use regular L-ascorbic acid in water-based formulas like `vitamin c e ferulic` or `c glutathione` instead of the...

Cosmetics Anhydrous Formulation Ingredient Alternatives Serum Solubility Water-based Formulation
Posted by sukanya_mam06
pH Stability of Aloe Vera and Cucumber Extracts

What is the pH stability range for Aloe Vera extract and Cucumber extract, and are they stable at pH 5.5? Is pH 5.5 suitable for skin?

Cosmetics Compatibility Cosmetic Formulation Natural Extract Stability pH Suitability
Posted by fashion-able
pH Meter Calibration Guide: Dissolving Buffer Powder, Water Type, and Precautions

How do I calibrate a pH meter using buffer powder? Specifically: * Do I need to dissolve the entire sachet of buffer powder, or can I use only part of it? * What type of water...

Cosmetics Calibration Equipment Mixing Procedure Water Quality pH Measurement
Posted by my_keedfai
Anhydrous Vitamin C Serum Formulation with Silicone Gel

Hello, Now that the silicone gel base is available, could you please recommend a formulation and mixing instructions for an anhydrous Vitamin C serum (a water-free Vitamin C...

Cosmetics Anhydrous Formulation Formulation Examples Serum Silicone-based Formulation Stability
Posted by tueyuu
pH Meter Calibration: Distilled Water vs Boiled Water with EDTA

When calibrating a pH meter for the first time, can boiled water mixed with EDTA be used instead of distilled water to prepare the standard buffer solutions?

Cosmetics Accuracy Calibration Ingredient Suitability Water Quality pH Measurement
Posted by aor_jun
Ingredients and Formulations for Deep Wrinkles (Crow's Feet)

I have tried using Rosehip Oil to help tighten pores, which worked well, but it did not improve the deep crow's feet wrinkles. I would like to know if there are any...

Cosmetics Anti-aging Collagen Stimulation Serum Wrinkle Reduction
Posted by weerinorn
Ingredients for Pore Tightening in Combination Skin

What ingredients are recommended for tightening pores, especially for combination skin?

Cosmetics Combination Skin Exfoliation Pore Reduction Serum Toner
Posted by saifon.pf
Usage Percentage and pH Adjustment for MAP/SAP in Whitening Formulas

I am developing a whitening formula and plan to use Magnesium Ascorbyl Phosphate (MAP) or Sodium Ascorbyl Phosphate (SAP). I would like to know the recommended maximum usage...

Cosmetics Concentration Serum Skin Brightening Stability pH Adjustment
Posted by pasittha
Formula Feedback: High BHA Concentration and Natural Ingredient Recommendations for Acne, Pigmentation, Sensitive Skin

I have submitted a cosmetic formula for review. The staff pointed out that the Salicylic Acid (BHA) concentration in my first formula is very high (135g in the total formula)....

Cosmetics Acne Treatment Cream Natural Ingredients Serum Skin Brightening
Posted by loverung_666
Gel Forming Agents for Acidic Serum with 10% Azelaic Acid

I am planning to make a gel serum with the following ingredients: 1. Water 2. Vit B3 4% 3. NAG 4% 4. Lactic acid (for pH adjustment) 5. Azelaic acid 10% Could you recommend...

Cosmetics Acidic Formulation Gel Gelling Agent Serum Solubility
Posted by nuyo_boom
Thickening a Gel Formula with Cocamidopropyl Betaine

I am making a gel formula using only cocamidopropyl betaine as the surfactant. I tried adding salt (electrolytes) to increase the viscosity, but it did not thicken the gel. Why...

Cosmetics Electrolytes Gel Thickener Viscosity pH Adjustment
Posted by my_keedfai
Multi-Active Brightening Serum Formulation Challenges

I want to create a serum to address significant facial dullness and hyperpigmentation. I plan to use the following active ingredients at these percentages: * Alpha Arbutin 2% *...

Cosmetics Compatibility Cosmetic Formulation Hyperpigmentation Serum Skin Brightening
Posted by ngamnetr_pha
Compatibility and Stability of Mixing Alpha Arbutin, Beta Arbutin, SAP, and MAP

I would like to know about the compatibility and stability when mixing the following ingredients in a cosmetic formulation: 1. Mixing Alpha Arbutin and Beta Arbutin. 2. Mixing...

Cosmetics Compatibility Ingredient Interaction Ingredient Selection Stability pH Suitability
Posted by non.ant
Formulating Skin Brightening Lotion with Vitamin B3 and Glutathione

How can I formulate a skin brightening lotion using **Vitamin B3 (Niacinamide)** and **Glutathione**? What are the key properties, mixing requirements (solubility, heat...

Cosmetics Cosmetic Formulation Ingredient Suitability Lotion Mixing Procedure Skin Brightening
Posted by spiderkick_lfc