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What grades of Zinc Oxide and Titanium Dioxide are suitable for an aerosol sunscreen spray formulation containing oil, chemical sunscreens, and 30-50% alcohol? Are water-based Zinc Oxide dispersions compatible with such a high alcohol content?
Is the 99.5% purity Nicotinamide Mononucleotide (NMN) product available from MySkinRecipes Expert considered food grade or cosmetic grade?
I would like to inquire about formulating shampoo for dogs and cats, specifically a formula containing silver nano. I understand that shampoo should ideally be slightly alkaline, around pH 8-9, but I'm unsure about the optimal pH range. Could you provide guidance on this? Here are the ingredients I plan to use for the **Silver Nano Pet Shampoo** formula: 1. Deionized Water 2. Non-ionic surfactant: I'm considering using only `Coco Glucoside` at 5-25%. Is this sufficient for cleansing? 3. `PEG-80/Tween 28` 5-10% 4. `silver nano Colloidal` 1-5% (40 ppm) 5. `Glycerol` 3-5% 6. `Phenoxyethanol` 0.5-1% I also have another formula for a **Multi-purpose Spray Silver Nano Ready to Use** for general disinfection purposes: 1. Deionized Water 2. `Hydrogen peroxide` 4-6% 3. `silver nano colloidal` 1-5% (40ppm) 4. `Glycerol` 3-5% 5. `Sodium Bicarbonate` for pH adjustment 6. `Phenoxyethanol` 0.5-1% Please review or provide suggestions for adjusting the percentages and adding other ingredients for both formulations. Thank you.
I have three ingredients with high antioxidant efficacy that I want to use as antioxidants and register with the Thai FDA. I would like to know if the FDA has specific percentage limits for their use, as I couldn't find this information on Google: * Gallic Acid: Planning to use 0.5 - 1% * Dilauryl Thiodipropionate (DLTP): Planning to use 1 - 4% * Propyl Gallate: Planning to use 0.5 - 1% Thank you.
I would like to know if a chosen colorant can be used in a lipstick formulation that contains coconut oil. What types of colorants are compatible with an oil/wax-based lipstick formula, and what factors determine suitability?
How can I modify an existing L'Oreal hair treatment by adding a specific list of ingredients (including cationic agents, silicones, keratins, humectants, etc.) using a process involving heating some ingredients and mixing them into the base? I would like advice on the process, necessary adjustments, and overall recommendations for home use, as well as whether HeatPlex™ can be included.
How to modify an existing hair treatment product by adding multiple ingredients using a specific heating and mixing method, including the potential use of Heat Plex, and what are the potential issues and recommendations?
In my original formula, I used `Propolis Extract (30% Flavonoids)` at `0.8%`. If I want to achieve the same concentration, which product should I use as a replacement, and what percentage should I use in the formula?
I am mixing Ambroxan with alcohol. Is it necessary to add a separate fixative, and if so, what is the recommended usage percentage?
Can Shea Butter (Ultra Soft) be used on the lips, face, and body of a 2-3 year old child? What other natural butters are suitable for young children's skin?
How can the substance named "ThiaWhite" be dissolved directly?
I want to make a toner for moisture and oil control. Can I use fresh mint leaves or peppermint oil? Should I add Niacinamide (B3), and what other ingredients are recommended? Is my proposed formula (94% mint extract, 5% B3, 1% preservative) suitable?
Could you provide a formula recommendation for an underarm cream to control sweat and odor, specifically suggesting a suitable ready-made cream base and advising on which active ingredients and nourishing extracts to add?
What is the correct method or solvent required to dissolve Minoxol™ (Pyrrolidinyl Diaminopyrimidine Oxide), as attempts to dissolve it in pure water or alcohol have been unsuccessful?
How can D&C Red 27 Color Changing Pigment (CI45410), which appears orange when dissolved in oil, be made to turn clear?
I have a formula for a serum aimed at promoting hair, eyebrow, and eyelash growth, containing ingredients like Long-Lash, Biotinyl-GHK, Pure-Biotin, Melatonin Forte, Urea, Triacetin, ActiveProtec UV, and Phenoxyethanol in specified percentages. Could you please review this formula, suggest any necessary adjustments or improvements, and provide a suitable mixing procedure?
In fragrance formulation, is it necessary to pre-dilute fragrance components such as Iso E Super and Hedione in alcohol before incorporating them into the mixture, and what is the recommended dilution percentage?
Can Stearamidopropyl Dimethylamine be dissolved in the water phase at pH 6.0, and will it remain effective after adjusting the final formulation's pH?
I am looking for recommendations for ingredients for a rinse-off intensive/softening hair conditioner spray specifically for very long, damaged hair. I have tried cationic surfactants like BTAC 90%, CTAC, and Dioleoylethyl Hydroxyethylmonium Methosulfate at 2.5%, but they feel greasy. What alternative ingredients can provide strong conditioning and softness without the greasy feel in a rinse-off spray formula?
Can Absolue Soft Cream Base be used at 80% concentration instead of the recommended 90-100% to add 20% other ingredients?
