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Can Glutathione powder (98% purity) be dissolved in water, or must it be encapsulated? Can 500mg/day be taken continuously, and is this the form used for skin whitening?

Food Powder Solubility Recommended Dosage Skin Brightening Capsule
Posted by peeya_pgi
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How to thicken a shampoo formulation that contains a high percentage of oil? What ingredients are recommended?

Cosmetics Shampoo High Oil Content Thickener Oil Gellant
Posted by iamsert
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What base oil is used in the Astaxanthin 10% (Oil type) product, as this information is needed for calculating the HLB value in a formulation?

Cosmetics Raw Material Oil Emulsion Custom Formulation HLB Calculation
Posted by seohyun1998
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Can Propolis Extract be used in throat spray formulations? What are its solubility properties and available forms (liquid, powder)? Is MySkinRecipes' Propolis Extract similar to those used in commercial throat sprays?

Food Spray Powder Solubility Oral Application
Posted by melody2562
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How to formulate a long-lasting and diffusive body spray perfume using fragrance concentrate, 12H Fix, Ethyl Alcohol, and Musk, including suitable ratios and procedures? Also, what are the methods and ingredients for formulating a lip balm?

Cosmetics Perfume Spray Lip Balm Fragrance Fixation Fragrance Diffusion
Posted by k.chotwat.kiw
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Seeking clarification on the compatibility of ThixoGel (Thixotropic Gel Maker) with AcnePLEX™, specifically regarding ThixoGel's ionic charge and its suitability for use with AcnePLEX™ in gel formulations, as conflicting information was found in previous forum posts.

Cosmetics Gel Compatibility Gel Formation Thickener Ionic Compatibility
Posted by juron66
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How can I modify my existing cosmetic formula to effectively address clogged pores and enlarged pores, enhance anti-wrinkle benefits, and improve skin absorption of active ingredients? Please suggest specific ingredients like BHA and provide guidance on their incorporation and usage.

Cosmetics Serum Acne Treatment Wrinkle Reduction Skin Absorption Custom Formulation
Posted by mewsupa
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What is the correct procedure for combining Pro Polymer™ Gel Maker and Satin Cream Maker™ when formulating a skin cream, including the appropriate steps and timing for adding each ingredient?

Cosmetics Cream Mixing Procedure Thickener Emulsifier Texture
Posted by sakul_wudangzhan
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What are the functions and purposes of the ingredients listed in this powder-based cosmetic formulation?

Cosmetics Powder Texture Oil Control Binder Preservation
Posted by ann_pooh88
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What are the functions and roles of the ingredients listed (Talc, Mica, Polymethyl methacrylate, Dimethicone, Silica, etc.) in cosmetic formulations, particularly regarding texture, feel, coverage, and stability?

Cosmetics Powder Cream Texture Coverage Anticaking Agent
Posted by ann_pooh88
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Can Ethyl Ascorbic Acid be mixed with Niacinamide in a formulation to improve skin even tone, based on observations in some commercial products?

Cosmetics Compatibility Stability Skin Brightening Custom Formulation Serum
Posted by lukjaebkruawan
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How can I modify my night face cream formulation, which currently uses the provided ingredient list and percentages, to improve its absorption speed and reduce stickiness?

Cosmetics Cream Stickiness Texture Skin Absorption Texture Modification
Posted by sakul_wudangzhan
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What are the differences in usage and properties between Pro Polymer™ (Gel Maker) and Carbomer grades like Ultrez 20 and 21, given that they share the same INCI name (Acrylates/C10-30 Alkyl Acrylate Crosspolymer), and how do they compare to Carbomer 940?

Cosmetics Thickener Gel Texture Electrolytes pH Suitability
Posted by juron66
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I would like to inquire about a gentle sulfate-free shampoo formula containing oils and Essential Oil. I am unsure if the ingredients are suitable and compatible. I also need to know approximately what percentage of Lactic Acid is needed to adjust the pH of this Sulfate-free base. Here is the formula I have in mind: 1. Sulfate-Free No-Tear Foaming Base (pH 6, Clear, Foaming) - 30% 2. SugarThick™ - 2% 3. Sweet Almond Oil (Refined) or Argan Oil (Organic - Virgin - Deodorized) - 8% 4. Rose Hip Oil (Extra Virgin Organic) - 2% 5. Peppermint Oil - 1% 6. Mild Preserved Eco™ (Preservative-Free) - 1% 7. Purified Water - q.s. to 100% 8. Oil Blender™ (Polyglyceryl-3 Diisostearate) - 3% 9. Lactic Acid (AHA) 90% Deodorized (ปราศจากกลิ่น) - ?% Please advise on the suitability and compatibility of the ingredients and the approximate percentage of Lactic Acid needed.

Cosmetics Shampoo Sulfate-Free Formulation pH Adjustment High Oil Content Salicylic Acid
Posted by everywear.everywhere
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What preservatives are suitable for herbal scrubs, and are there any example formulations available?

Cosmetics Scrub Preservation Formulation Examples Natural Ingredients Exfoliation
Posted by wannpa5ruangtaweekoon
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What preservatives are recommended for use with placenta extract in cosmetic formulations, considering factors like usage percentage, pH, and temperature compatibility?

Cosmetics Preservation Usage Percentage Stability Challenge Test Solubility
Posted by yaneenart.n
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What are the different types of Vitamin B, are the forms used for oral consumption, topical application, and injection the same, and which Vitamin B types are commonly used in topical skincare products, including topical Vitamin B complex?

Cosmetics Direct Application Ingredient Selection Ingredient Alternatives Skin Health
Posted by moo741018
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How can I convert the ingredient weights in grams for my loose powder formulation into percentages that sum up to 100%?

Cosmetics Powder Amount Calculation Ingredient Ratio
Posted by purachetnsw
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How many types of Vitamin B are there for oral, topical, and injection use? Are the forms for each use the same? Please list the names of the 8 types of Vitamin B that can be used topically, and the name of a topical Vitamin B complex.

Cosmetics Active Ingredient Topical Application Oral Application Ingredient Comparison Ingredient Function
Posted by moo741018
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I would like to produce a sunscreen with a milky liquid texture using the following formula. Does the formula need any adjustments? * LipidSoft spf 25% * Tinosorb S 5% * DHHB 5% * Polysilicone 15 5% * PMMA Booster 5% * Warp Cream Maker XL 5% * Magnesium Sulfate 1% * Uvinul T150 3% * Zinc Oxide (40nm Triethoxycaprlylane coat) 3% * Titanium Dioxide Transparent (15nm Dimethicone Coat) 2% * Triacontanyl PVP 3% * Caprylyl Methicone 5% * Beige Iron Oxide 1% * Ethyl Ferulate 1% * Poly Protect 1% * Mild Preserve Eco 1% * Gamma Oryzanol 0.5% * Scutellaria Baicalensis Root Extract 0.2% * Dl alpha Tocopherol 0.1% * Hyaluronic Acid (Large Molecule) 0.05% * Hyaluronic Acid (Standard Molecule) 0.05% * Hyaluronic Acid (Small Molecule) 0.05%

Cosmetics Sunscreen Formulation Texture Modification Emulsion Type Milky Texture Formulation Adjustment
Posted by fernananan
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