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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?

Cosmetics Compatibility Cream Ingredient Interaction Serum Topical Application
Posted by ae_ka_soulmate
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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...

Cosmetics Bar Soap Compatibility Glycerin Soap Base Ingredient Addition Usage Percentage
Posted by nuyandnon
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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?

Cosmetics Regulatory Compliance Serum Stability pH Adjustment
Posted by sunjaylesnow
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What happens when Ethyl Ascorbic Acid and Niacinamide are combined in a cosmetic formulation? Do they react and cause degradation?

Cosmetics Cosmetic Formulation Degradation Ingredient Interaction Skin Irritation Stability
Posted by khanapakon
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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...

Cosmetics Mixing Procedure Oil-based Formulation Serum Skin Barrier Repair Soothing Effect
Posted by shopslim
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What are the recommended ingredients and formulation methods for creating a fast and effective skin whitening lotion? Please recommend potent ingredients that target melanin...

Cosmetics Ingredient Suggestion Lotion Skin Brightening Solubility Usage Percentage
Posted by chintana1963
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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....

Cosmetics BB/CC Cream Ingredient Alternatives Mixing Procedure SPF/PA Testing Sunscreen Formulation
Posted by chintana1963
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Can the following products be stored in the refrigerator? * Jojoba Oil * Rose Hip Oil * Squalane

Cosmetics Oil Oxidation Stability Storage Conditions
Posted by xoxox.cee
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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...

Cosmetics Color Changing Coloring Natural Extract Skin Darkening Texture
Posted by cram-croo
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I need a recommended formulation ratio for a lotion with whitening and moisturizing properties using the following ingredients: * Mahaad Extract (Oxyresveratrol) * White Cumin...

Cosmetics Cosmetic Formulation Hydration Ingredient Ratio Lotion Skin Brightening
Posted by unchanee1
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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....

Cosmetics Compatibility Preservation Serum Skin Brightening pH Adjustment
Posted by wanneerx
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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...

Cosmetics Bar Soap Exfoliation Skin Brightening Stability pH Suitability
Posted by pat_ta_teeya
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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...

Cosmetics Ingredient Comparison Ingredient Function Skin Tightening Topical Application Wrinkle Reduction
Posted by jn_andy
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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...

Cosmetics Clarity Diffuser Solubility Solubilizer Viscosity
Posted by ruchchadol
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Can Satin Cream Maker be used as a gel maker in a formulation that does not contain any oil?

Cosmetics Clarity Gel Gel Formation Gelling Agent Oil-Free Formulation
Posted by sunjaylesnow
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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...

Cosmetics Essential Oil Fragrance Lotion Solubility Solvents
Posted by n.ketkarn
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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...

Cosmetics Dispersion Liquid Soap Odor Sulfate-Free Formulation Turbidity
Posted by vtanthanasarn
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I want to make 100 grams of cream with the following formula: * Water: 97% * MSH: 3% If I need 3% MSH, should I use 3ml of MSH White™ from a syringe, or is 3% calculated by...

Cosmetics Amount Calculation Cream Formulation Feasibility Mixing Procedure Skin Brightening
Posted by bamboo_cmu37
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I have sensitive, dry, easily clogged, and acne-prone skin. I am looking for a simple, lightweight, water-based formula, like a toner or essence, to help brighten my skin....

Cosmetics Acne-prone Skin Sensitive Skin Serum Skin Brightening Water-based Formulation
Posted by sureepron2532
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How can I make the fragrance in my lotion last longer? Can I add a fragrance fixative to the lotion after it has been finished?

Cosmetics Fragrance Fragrance Fixation Fragrance Longevity Lotion Mixing Procedure
Posted by ruenmaihom
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