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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...
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...
Regarding BHA in Clear Bottles
Does BHA in a clear bottle degrade faster due to light exposure?
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 *...
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...
Inquiry about Olive leaf extract availability
Do you sell Olive leaf extract?
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...
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?
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...
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...
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?
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...
Ingredients for Pore Tightening in Combination Skin
What ingredients are recommended for tightening pores, especially for combination skin?
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...
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)....
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...
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...
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% *...
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...
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...