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What causes white crystal precipitation in Stabilized Vitamin C (Natural-C Glycol™) Serum, and how should it be used and stored when this occurs?

Cosmetics High Active Content Precipitation Serum Stability Storage Conditions
Posted by nongwongsawat
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I am looking for ingredient recommendations from MySkinRecipes to create a facial mineral spray for combination to oily skin, age 40. The spray should focus on the following...

Cosmetics Anti-aging Oil Control Oily Skin Skin Brightening Spray
Posted by p4456.4456
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I am working on a cream formulation and have a few questions regarding ingredient selection and percentages: 1. What is the difference between Cyclotetrasiloxane and...

Cosmetics Cosmetic Formulation Cream Ingredient Comparison Texture Usage Percentage
Posted by jiralexk
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As a beginner, I would like to try making liquid lipstick myself. Could you please provide a simple formula for beginners and explain how to calculate the amount of each...

Cosmetics Amount Calculation Film Former Formulation Examples Liquid Lipstick Pigment
Posted by apisara
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Could you provide a basic formula for a lip scrub using sugarcane scrub and moisturizing ingredients?

Cosmetics DIY Formulation Exfoliation Hydration Lip Product Scrub
Posted by nuchsz
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Can **Copper Peptide (GHK-Cu)** cause hair or facial hair to grow in areas where it doesn't currently exist, or does it only enhance growth in areas where hair already grows well?

Cosmetics Hair Growth Stimulation Ingredient Function Topical Application
Posted by modtanoy21
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Does Trans-Resveratrol help reduce melasma and freckles, or is its effect limited to general skin brightening and reducing dark spots?

Cosmetics Freckles Hyperpigmentation Melasma Treatment Skin Brightening
Posted by jn_andy
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I want to mix natural oil with Dimethicone to make a clear hair oil. What ingredients and percentages are recommended? Can Silicone Blend (Heavy & Silky) or Caprylyl Methicone...

Cosmetics Clarity Hair Oil Hair Smoothness Hair Treatment Oil Compatibility
Posted by autumporn.ler
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Are the ingredients in this formulation compatible?

Cosmetics Compatibility Cosmetic Formulation Ingredient Interaction Raw Material
Posted by emotion_23
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I want to formulate a serum using the following ingredients: Alpha Arbutin, Hyaluronic Acid, Licorice Extract, Perfect-C™, Vitamin E, and Apple Phloretin™. I plan to use...

Cosmetics Compatibility Emulsifier Mixing Procedure Serum Serum Formulation
Posted by emotion_23
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How can I mix the primary colors for my gel skincare product? What is the recommended method?

Cosmetics Color Adjustment Coloring Gel Mixing Procedure
Posted by june.jupiter1998
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I have formulated a lifting serum with the following ingredients: * Pro Polymer * LipidSoft Lite (5%) * DMAE Liquid (15%) * Peptides * Vitamin B3 * Lift-Now When I store the...

Cosmetics Clumping Electrolytes Ingredient Interaction Serum Stability
Posted by monrada16
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Are the following ingredients natural extracts? * Perfect-C * SKIN-DEFENSE® V * Wild Yam Extract

Cosmetics Extraction Method Ingredient Classification Ingredient Origin Natural Claim Natural Ingredients
Posted by aaribabar
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Is a preservative needed for a formulation containing: * `Encapsulated Salicylic Acid (Liquid, Timed-Release)` 6.6% * `Water` 93.4% If so, what kind and percentage are recommended?

Cosmetics Preservation Shelf Life Solution Stability Water-based Formulation
Posted by nongwongsawat
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I have developed a facial spray formula aiming for a refreshing and oil control effect. I have successfully resolved the solubility issues with Sebum-Reg™ and CoolTouch™....

Cosmetics Cooling Sensation Oil Control Spray Stickiness Texture Modification
Posted by j.tasuta
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Is a preservative needed for a toner formulation containing Encapsulated Salicylic Acid (Liquid, Timed-Release, Wash-Off) at 6.6% in water?

Cosmetics Cosmetic Formulation Preservation Stability Toner Water-based Formulation
Posted by nongwongsawat
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I have a few questions regarding ingredients: * If I want to use White Egg Enzyme (Acnezyme™) but it is incompatible with Xanthan Gum, can it be used with TaraGel™? * Are...

Cosmetics Anti-aging Compatibility Gelling Agent Ingredient Comparison Ingredient Origin
Posted by peeya_pgi
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I am using `Galactomyces Ferment Filtrate (Pitera)` at `100% concentration`. * Do I need to add a preservative? * Where can I find the expiry date?

Cosmetics Concentration Expiry Date Preservation Raw Material Shelf Life
Posted by nongwongsawat
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I am developing a moisturizer cream formulation and would like to know about the compatibility of the following ingredients when used together, and any specific formulation...

Cosmetics Compatibility Cream Formulation Adjustment Hydration Skin Barrier Repair
Posted by paradee.lat
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I want to make a herbal shampoo using ingredients like Kaffir lime, Butterfly pea, and Ginger. I have some questions about the formulation: * What are the recommended usage...

Cosmetics Cosmetic Formulation Preservation Shampoo Stability Thickener
Posted by minnie.dream
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