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Can L-ascorbic acid powder be mixed into a stabilized Vitamin C serum (Natural-C Glycol™) to increase its concentration?

Cosmetics Ingredient Interaction Mixing Procedure Serum Stability
Posted by prpswnt_p
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Can L-Ascorbic Acid powder be mixed directly into a pre-made stabilized Vitamin C serum (like Natural-C Glycol™) to increase its concentration, and what are the potential issues?

Cosmetics Effectiveness Loss Ingredient Interaction Mixing Procedure Serum Stability
Posted by prpswnt_p
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Regarding a face and body cream formula containing Glycolic Acid at a concentration not exceeding 5% for exfoliating melasma, dark spots, and scars: Can this formula be used...

Cosmetics Cream Exfoliation Melasma Treatment Sun Protection Usage Percentage
Posted by acepream56
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Can Glycolic Acid (AHA) at concentrations below 5% (specifically 2-3%) be used in face and body creams during the day with normal sun exposure for treating melasma, dark spots,...

Cosmetics Cream Exfoliation Melasma Treatment Skin Brightening Sun Protection
Posted by acepream56
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How to formulate a balm gel using Oil Thick™ Clear S, including the correct procedure for dissolving the gelling agent and when to add volatile ingredients like menthol,...

Cosmetics Balm Heat Sensitive Mixing Procedure Oil Gel Oil Gellant
Posted by siriorn.ano
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I would like to know the formula and method for making balm gel. If using `Oil Thick™ Clear S`, do I need to dissolve this in oil first, then dissolve ingredients like menthol,...

Cosmetics Balm Gel Heat Sensitive Mixing Procedure Oil Gellant
Posted by siriorn.ano
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What are the functions of the key ingredients found in this cosmetic product formulation?

Cosmetics Coverage Cream Skin Brightening Sun Protection Texture
Posted by chocollate1313
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Can 5% water be replaced with 5% EGF in a cosmetic formula containing various peptides, extracts, and a gel maker, and what are the necessary considerations regarding pH,...

Cosmetics Effectiveness Loss Mixing Procedure Serum Stability pH Suitability
Posted by ruevilin
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Can the provided cosmetic formulation containing Alpha Arbutin, Glycolic Acid, Niacinamide, Acetyl Glucosamine, gel maker, solubilizers, and preservatives be mixed, and what...

Cosmetics Compatibility Ingredient Interaction Serum Stability pH Adjustment
Posted by sayrom5955
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I have put together the following cosmetic formulation. Could you please review its feasibility, compatibility, and stability based on the ingredients and percentages provided?...

Cosmetics Ingredient Interaction Serum Stability Viscosity pH Suitability
Posted by sayrom5955
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Is it necessary to add a preservative when mixing Reed Diffuser Base with fragrance, considering that these components are typically anhydrous?

Cosmetics Anhydrous Formulation Diffuser Base Fragrance Microbial Contamination Preservation
Posted by pikalda1979
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Is a preservative needed when mixing Reed Diffuser Base with fragrance, given that both are typically anhydrous?

Cosmetics Anhydrous Formulation Diffuser Diffuser Base Fragrance Preservation
Posted by pikalda1979
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Does using a low melting point soy wax (like 42°C) help reduce smoke from aroma chemicals or fragrances in scented candles, especially when smoke point data for the fragrance...

Cosmetics Fragrance Fragrance Formulation Heat Stability Volatility Waxes
Posted by minnie.dream
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Can using low melting point soy wax (42C) help reduce smoke caused by aroma chemicals or natural scents in scented candles, especially given that smoke point data for these...

Cosmetics Fragrance Heat Stability Ingredient Interaction Smoke Waxes
Posted by minnie.dream
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Can I add Bakuchiol 1% and DMI 3% to a skincare product that contains the following ingredients? * Sunflower Seed Oil * Grape Seed Oil * Caprylic/​Capric Triglycerides * Cetyl...

Cosmetics Cream Formulation Adjustment Ingredient Addition Penetration Enhancer Stability
Posted by fernananan
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Can 1% Bakuchiol and 3% Dimethyl Isosorbide (DMI) be added to a skincare formula containing various oils, peptides, ceramides, and water?

Cosmetics Compatibility Cream Penetration Enhancer Stability pH Adjustment
Posted by fernananan
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I made a shampoo with a specific formula (Cocamidopropyl Betaine 10%, Lanolin 1.5%, Sodium Coco Sulphate (SCS) 3.5%, thickening powder 5%, Thai herbal water 80%). Why does this...

Cosmetics Conditioning Effectiveness Loss Ingredient Selection Residue Shampoo
Posted by nrangsima
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I made a shampoo using Cocamidopropyl Betaine 10%, Lanolin 1.5%, Sodium Coco Sulphate (SCS) 3.5%, thickener 5%, and Thai herbal water 80%. Why does this formulation cause hair...

Cosmetics Conditioning Performance Effect Shampoo Texture pH Adjustment
Posted by nrangsima
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What are the solubility and stability characteristics of MSH White™ (Undecylenoyl phenylalanine) when dissolved in alcohol and added to existing cream or toner bases?...

Cosmetics Cream Precipitation Solubility Stability Toner
Posted by rungmoney2561
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I have questions about dissolving MSH White™ in alcohol and mixing it into existing cream or toner bases: 1. If MSH White™ is dissolved in alcohol and then mixed into a...

Cosmetics Cream Formulation Adjustment Precipitation Solubility Toner
Posted by rungmoney2561
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