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**L-Glutathione** * **Mixing Method:** Mix in water, avoid heat, temperature must not exceed 40°C, and pH should be between 3-6. If the temperature is higher or the pH is outside this range, Glutathione will degrade faster. * **Solubility:** Can be dissolved in water. Using heat at 60-70°C for a short period helps it dissolve faster and easier. In conclusion, how much high temperature can it withstand, and for how long?

Cosmetics Active Ingredient Stability Solubility Heat Stability Acidic Formulation Mixing Temperature
Posted by chayanis.r
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Talc methicone 20.3% glossy talc 15.9% Pigment FoundationPro 12.7% Lysine Mica 6.4% MicroSilica Spheres 3.2% Polymethylsilsequioxane 2 microns 1.9% Nylon-12 1.3% Magnesium Myristate 1.9% Squalane 8.6% Jojoba Oil 8.6% Cupuacu Butter 3.5% Synthetic Wax 2.0% candelilla wax 1.0% Carnauba Wax 1.0% Polyglyceryl-4 Oleate 2.5% Polyglyceryl-6 Distearate 2.0% skinlipid 1.0% PEG - 7 Glyceryl Cocoate 1.5% Phospholipids 1.0% Vitamin E 0.9% Phenonip 0.9% Cholesterol 2.0%

Cosmetics General Question
Posted by boogers.herbals_0a
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Ultramarine Blue powder, EasyMix™ type, for makeup products such as Lip stick, Lip gloss. Is this CI 77007 Ultramarine Blue blue pigment not a "lake" pigment? And can it be used in lipsticks?

Cosmetics Lipstick Lip Gloss Regulatory Compliance Color Stability Acidic Formulation
Posted by passionvillemakeup
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Can I mix MOIST72™ with ANS serum directly?

Cosmetics Active Ingredient Combination Active Ingredient Stability Serum Skin Hydration
Posted by Aura.of.oz
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If I want to homogenize 5 kg of cream using a homogenizer in a laboratory, can I use a stainless steel container? Or is there generally a more suitable container than this? Please advise.

Cosmetics Cream Homogenization Lab Equipment Stainless Steel Container Batch Size
Posted by sasikarn.str
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Which ingredients can make a serum texture feel soft upon application, absorb quickly, and not cause clogging?

Cosmetics Serum Absorption Non-comedogenic Texture Softness
Posted by weraskin19
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I would like a recommended formula and appropriate amounts for making 100g of brightening cream using the following ingredients: * Vitamin B3 (Niacinamide) * Alpha Arbutin * 3-O-Ethyl Ascorbic Acid * Finished cream base Please provide the recommended ratios for each ingredient and basic mixing instructions.

Cosmetics Cream Whitening Mixing Procedure Active Ingredient Combination Amount Calculation
Posted by Anonymous
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Recommend a base cream or mix of products for a massage cream with the following characteristics: * Non-sticky * Moisturizing * Thick texture * Can incorporate additions like gels, coconut oil, and essential oils For cosmetic use.

Cosmetics Massage Cream Non-greasy Moisturizing Texture Active Ingredient Combination
Posted by emeraldgreensamui
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Which preservative is suitable for a sodium laureth sulfate shampoo?

Cosmetics Shampoo Preservation Hair Care Anionic Surfactant Ingredient Compatibility
Posted by yvonne.hau
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Are there any research papers regarding this extract (EUK-134)?

Cosmetics Active Ingredient Stability After Sun Care Antioxidant UV Protection Scientific Research
Posted by zay.za.club
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The color of the BB cream using Iron oxides ID: 31475, 31473 looks too dark. * If I want to adjust the tone to be lighter, which product would you recommend? * And for the "white oxide," is it added only for color adjustment, or does it also help the color adhere to the skin? Because I would like to maintain the same percentage of whiteness that sticks to the skin.

Cosmetics BB Cream Color Adjustment Coverage Adhesion Makeup
Posted by vareerat78
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When measuring shampoo, should I dip the digital pH meter directly into it?

Cosmetics pH Measurement Shampoo Accuracy Equipment Maintenance
Posted by Anonymous
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I would like a formula recipe with the quantity of each ingredient for a skin cream (specifically a thick face cream). **Ingredients to use:** * Water * Stearic acid * Coconut oil * Baking soda * Essential oils for scent Please also recommend a suitable preservative for this formula.

Cosmetics Cream Face Care Aesthetic Appearance Amount Calculation Preservation
Posted by Anonymous
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Is the Propylene Glycol used in this product petroleum- or vegetable-based?

Cosmetics Active Ingredient Ingredient Origin Natural Alternative Solvents Extract
Posted by Anonymous
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Is Light Cream Maker suitable for an oil-in-water emulsion using hydrosols as the water phase without heating the water phase? * The formula uses 10-20ml carrier oil. * Does it require additional ingredients like xanthan gum to support the formula?

Cosmetics Cream Cold Process Oil-in-Water Emulsion Emulsion Stability Electrolyte Resistance
Posted by Anonymous
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I made the solution and all good but if I wanted to turn this into a more substantial serum to make it thicker what thickener do you suggest I could use? I have a number of thickeners in my stock including: * Sepimax Zen * Xanthan Gum * Xanthan Gum Clear * Polyacrylamide and C13-14 Isoparaffin and Laureth-7 * Aristoflex AVC * Acacia Gum * Guar Gum * and probably a few more. Can you please help me with this and also advise on approx % of thickener to use for small test - I am only making this for home use and not to sell. **My current formula:** * Distilled Water * Nano Colloidal Silver 2000ppm solution * Glycerin * Panthenol Vit B5 * Pentylene Glycol * Liquid Germall Plus preservative Many thanks in advance.

Cosmetics Serum Viscosity Increase Gel Formation Active Ingredient Stability Amount Calculation
Posted by sequinn347
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## Light Face Cream for Sensitive Skin I currently make a face cream with the following formula which works well on my sensitive skin (I have Rosacea). ### Original Formula: Ultra-Light Summer Face Cream | Phase | Ingredient | % | | :--- | :--- | :--- | | **Heated Water** | Distilled water | 58.60% | | | Chamomile Water | 10.00% | | | Glycerine | 2.00% | | | Hyaluronic acid 1% solution | 3.00% | | | Pentylene glycol (Oil and Water Soluble) | 2.00% | | | Propanediol 1,3 | 2.00% | | | EDTA | 0.30% | | | Niacinamide (Vitamin B3) | 3.00% | | **Heated Oil** | Lipomulse Emulsifying Wax (Non-Ionic) | 3.60% | | | Cetyl Alcohol | 3.00% | | | Coco-Caprylate | 6.00% | | | Isoamyl Laurate | 2.00% | | | Sepimax Zen - Thickener | 0.30% | | | Dimethicone 350 | 1.00% | | **Cooldown** | Preservative | 0.50% | | | Vit E (70% tocopherols) + Rosemary Antioxidant | 0.10% | | | Chamomile Extract | 1.50% | | | Calendula extract | 1.00% | | | Bisabolol | 0.10% | | **Total** | | **100.00%** | I am looking to incorporate Pure TECA Centella Asiatica Extract (TECA 95%) and Matrixyl 3000 as per the new formulation below: ### New Formulation: Ultra-Light Summer Face Cream | Phase | Ingredient | % | Notes | | :--- | :--- | :--- | :--- | | **Heated Water** | Distilled water | 54.10% | Reduced water for Matrixyl 3000 | | | Chamomile Water | 10.00% | | | | Glycerine | 0.00% | Original used 2% | | | Double Hyaluron Liquid | 4.00% | For normal but sensitive skin | | | Pentylene glycol (Oil and Water Soluble) | 2.00% | | | | Propanediol 1,3 | 0.00% | Original used 2% | | | EDTA | 0.30% | | | | Niacinamide (Vitamin B3) | 3.00% | Original version used at 4% | | | N-acetyl-D Glucosamine (GlucoBright™) | 4.00% | New addition | | **Heated Oil** | Lipomulse Emulsifying Wax (Non-Ionic) | 3.60% | | | | Cetyl Alcohol | 3.00% | | | | Coco-Caprylate | 6.00% | | | | Isoamyl Laurate | 2.00% | | | | Sepimax Zen - Thickener | 0.30% | | | | Dimethicone 350 | 1.00% | | | **Cooldown** | Preservative | 0.50% | | | | Vit E (70% tocopherols) + Rosemary Antioxidant | 0.10% | | | | Chamomile Extract | 1.00% | | | | Calendula extract | 1.00% | | | | Bisabolol | 0.10% | | | | Matrixyl™ 3000 | 3.00% | New addition | | | Pure-TECA™ (TECA 95%, CICA) | 1.00% | New addition | | **Total** | | **100.00%** | | To include TECA 95%, I am confused with information I have read in some discussions here as it's not soluble in oil or water. * Can I add it to the heated water phase and perhaps dissolve in Pentylene Glycol (I also have Propylene Glycol) in the heated phase? * I am confused as instructions conflict: some say it should not be heated, but others suggest heating with Propylene Glycol to 85 degrees and then adding to the cream. * Or should I just add the powder with my other cooldown ingredients once the cream has been emulsified? * If so, does the TECA dissolve in the cream below 40 degrees? Thanks for your help with my new formula.

Cosmetics Cream Solubility Sensitive Skin Active Ingredient Stability Active Ingredient Combination
Posted by sequinn347
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Hi - I'm trying to formulate a high end lip gloss - on par with Sisley Paris Le Phyto Gloss. I have these ingredients and wondering if you could evaluate them and suggest if I've chosen comparable products that will perform similarly and if there are any changes you'd make. Thank you. | Ingredient | Percentage (%) | | :--- | :--- | | Hydrogenated Polyisobutane | 31.00% | | Polybutene | 13.50% | | Hydrogenated Polydecene | 11.00% | | Bis‑Diglyceryl Polyacyladipate‑2 | 9.50% | | Diisostearyl Malate | 8.50% | | Pentaerythrityl Tetraisostearate | 4.00% | | Octyldodecyl Stearoyl Stearate | 2.00% | | Ethylhexyl Palmitate | 0.50% | | Tridecyl Trimellitate | 5.00% | | DIPALMITOYL HYDROXYPROLINE (needs to be heated to 80-85 deg) | 0.50% | | Hydrogenated Poly (C6-14 Olefin) Gel | 4.00% | | Silica Dimethyl Silylate | 0.30% | | Pigment blends for each shade of Mica and Synthetic Fluorphlogopite + Red, yellow and/or black Iron Oxide + Lake 7 or 28 dispersed in Polyglyceryl-2 Triisostearate | 6.50% | | Polyglyceryl-2 isostearate/dimer dilinoleate copolymer | 1.50% | | Boron Nitride | 0.70% | | Lauroyl lysine | 0.20% | | Fruit Oil (Strawberry, Raspberry, Sweet Cherry, Plum, Blackberry, Cranberry, Watermelon - 1 for each lip gloss shade) | 0.90% | | Flavour Oil | 0.30% | | Vitamin E | 0.10% | | **TOTAL** | **100.00%** |

Cosmetics Lip Gloss High Shine Texture Anhydrous Formulation Aesthetic Appearance
Posted by bonniesjoyful
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I am formulating a liquid eyeshadow for doe-foot application. I need help knowing which Trimethylsiloxysilicate I should use for a mainly water-based product? These are the ingredients I was told to use, but would appreciate your insight as to the correct ingredients to make a liquid eyeshadow, in [contact removed] Sisley Paris Ombre Eclat Liquide Eyeshadows. **Formulation:** | Phase | Ingredient | Percentage (%) | | :--- | :--- | :--- | | **Phase A** | Water | 52.00% | | | Glycerin | 5.00% | | | Butylene Glycol | 3.00% | | | Sepimax Zen | 2.00% | | **Phase B** | Trimethylsiloxysilicate | 6.00% | | | VP/Hexadecene Copolymer | 4.00% | | | Lauroyl Lysine | 1.00% | | | Boron Nitride | 1.00% | | | Isododecane | 2.00% | | **Phase C** | Synthetic Fluorphlogopite (9 and 20 micron) Silane Coated | 10.00% | | | Mica Blend | 6.50% | | | Silica Microspheres (10 microns) | 1.00% | | | TiO2 | 1.00% | | | Iron Oxides & Lakes Readymix powders | 3.00% | | **Phase D** | Hemisqualane | 1.00% | | | Vitamin E | 0.50% | | **Phase E** | Jeecide Cap 5 | 1.00% | | | **TOTAL** | **100.00%** |

Cosmetics Liquid Eyeshadow Long-lasting Waterproof Texture Adhesion
Posted by bonniesjoyful
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Is Vanilla Extract (Food Flavor, Oil-Soluble), FEMA 3150 suitable for use in a silicone-based lipstick?

Cosmetics Lipstick Solubility Compatibility Silicone-based Formulation Flavoring
Posted by passionvillemakeup
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