คำถาม-คำตอบ
ตอบภายใน: 10 Hrsกรองคำถาม
20 of 13988 results
Using Oil-Soluble Activated Resorcinol in a Gel Formula and Formula Review
I mistakenly purchased Activated Resorcinol (oil-soluble) instead of Activated Resorcinol S. Activated Resorcinol needs to be dissolved in oil. Can I mix Activated Resorcinol...
pH Adjustment for Salicylic Acid and Papaya Enzyme Toner
What is the expected pH of a toner formulation containing Salicylic Acid EZ (Water Soluble), Papaya Enzyme (Papain), and distilled water, and how should the pH be adjusted if...
Cream/Serum Formulation Issues: Burning Sensation and Flaking
I have formulated a cream/serum product using the following ingredients: * Phenoxyethanol SA * Water-Film™ (Galactoarabinan) * Bisabolol * Shea Butter * Phyto Glycyrrhetinic...
Using Perfect-C and Vitamin B3 Sequentially
Can Perfect-C (Ascorbyl Tetraisopalmitate) and Vitamin B3 (Niacinamide) be used together in a skincare routine, and what is the recommended application method or waiting period?
Recommended Usage Rates and Compatibility for Ingredients in Glycerin Soap Base
I am making bar soap using a glycerin soap base (cold process). I want to add several ingredients. What are the recommended usage percentages for each? Specifically, I plan to...
Adjusting pH of Stabilized Vitamin C Serum for FDA Compliance
How to increase the pH of Stabilized Vitamin C (Natural-C Glycol™) Serum (original pH 2-3) to meet the FDA requirement of pH 3.5 or higher?
Incompatibility of Ethyl Ascorbic Acid and Niacinamide
What happens when Ethyl Ascorbic Acid and Niacinamide are combined in a cosmetic formulation? Do they react and cause degradation?
Mixing Oils and Actives for Skin Barrier Repair Oil Blend
I want to mix several oils: Avocado, Apricot, Rose Hip Oil (Extra Virgin Organic Fresh), and Squalane (Olive). I initially wanted to use Argan Oil as well, but the smell is too...
Skin Whitening Lotion Ingredients and Formulation Recommendations
What are the recommended ingredients and formulation methods for creating a fast and effective skin whitening lotion? Please recommend potent ingredients that target melanin...
CC Cushion Formula Review, SPF, and Mixing
I have developed a CC Cushion formula intended to be a Water-in-Silicone or Water-in-Oil type, aiming for a lightweight, waterproof product with coverage and sun protection....
Storage for Jojoba Oil, Rose Hip Oil, and Squalane: Can they be refrigerated?
Can the following products be stored in the refrigerator? * Jojoba Oil * Rose Hip Oil * Squalane
Effect of Dark Colored Extracts on Skin Color
When using dark colored extracts like Onion Extract, Pycnogenol / Pine Bark Extract, and Grape Seed Extract in a formula, the formula becomes dark. Does this dark color affect...
Whitening and Moisturizing Lotion Formulation with Specific Ingredients
I need a recommended formulation ratio for a lotion with whitening and moisturizing properties using the following ingredients: * Mahaad Extract (Oxyresveratrol) * White Cumin...
Formulating a Dark Spot Serum: Compatibility of Stabilized Vitamin C Serum with Other Ingredients
I would like to inquire about formulating a dark spot reduction serum using the following ingredients: 1. Stabilized Vit. C (Natural-C Glycol) serum 2. Satin Cream Maker 3....
Adding Exfoliating and Brightening Ingredients to Cold Process Soap
I am making Cold Process (CP) soap and want to add ingredients for exfoliation and skin brightening. Can I add AHA (Alpha Hydroxy Acid) or other brightening ingredients...
Comparing Instant Lift and Lift Now for Skin Tightening
What are the differences between Instant Lift (Sodium Silicate) and Lift Now (Pullulan + Algae Extract) for achieving a temporary skin tightening and lifting effect? Which one...
Mixing Essential Oil with Water for Diffuser using Flora Solve Clear
I want to mix 100% pure Essential Oil with water without using alcohol to make a water-based aroma oil for use with a Diffuser. What is the recommended ratio of Flora Solve...
Using Satin Cream Maker as Gel Maker in Oil-Free Formula
Can Satin Cream Maker be used as a gel maker in a formulation that does not contain any oil?
Understanding Solvents and Scenting Options for Lotion Formulation
I am making a lotion, especially for dry and whitening skin. I have questions about ingredients: * What are solvents, what are they used for, and how are they used? * When is...
Sulfate-Free Liquid Soap Formulation: Addressing Cloudiness and Base Odor
I tried making liquid soap using a sulfate-free shampoo base. I added 5% Glycerin, and the soap had a soft, smooth, and very nice lather. However, I noticed a slightly rancid...