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Do you sell Olive leaf extract?
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...
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?
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...
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...
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?
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...
What ingredients are recommended for tightening pores, especially for combination skin?
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...
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)....
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...
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...
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% *...
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...
How can I formulate a skin brightening lotion using **Vitamin B3 (Niacinamide)** and **Glutathione**? What are the key properties, mixing requirements (solubility, heat...
I am developing a serum formulation for daytime use (50ml) with the following ingredients: * Allantoin 0.4% * Azelaic Acid * Vitamin B3 (Niacinamide) * Panthenol * Glucosamine...
I am experiencing facial rash/bumps (`ผด`). I have stopped using my previous serum formulation, which contained Apple Stem Cell, and am currently only using sunscreen. The rash...
I would like to ask about using DMAE Bitartrate and Sesaflash® together. Can they be used in the same formula? If so, could you suggest a gel formula focusing on wrinkle...
I was initially interested in adding Oil Free Titanium Dioxide and Oil Free Zinc Oxide to an Ultra Light Serum. However, I understand that adding physical sunscreens might...
I am using the following night serum formula: * Vitamin B3 (Niacinamide Niacin) 3% * Panthenol (Pro-Vitamin B5) 5% * Glucosamine (N-Acetyl-D) 4% * Matrixyl 3000 8% * Argireline...
