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Which form of Zinc Oxide (liquid dispersion or coated powder) is suitable for incorporating into a skin lotion for sun protection, considering the issue of traditional powder clumping and ease of mixing?
What fragrances are recommended for shampoo and shower gel formulations to achieve a fresh and relaxing feeling?
In a lipstick formula containing essential oils, oils, water, and glycerin, are Rosemary Oleoresin Extract (ROE) and Mild Preserved Eco™ suitable for use together to maintain texture stability and prevent degradation?
How to prevent precipitation when making a perfume spray with 5% 12H Fix™, 23% fragrance, and 95% ethyl alcohol, even after heating to 70°C?
What are the properties and benefits of combining L-Ascorbic Acid, Tetrahexyldecyl Ascorbate, Hexylresorcinol, Melatonin, Tocopheryl Acetate (Vitamin E), and Ferulic Acid in a serum formulation, considering their individual characteristics and stability?
Please analyze the provided lightweight SPF 30 sunscreen lotion formula for oily facial skin, explain the role and claimed benefits of each ingredient, and recommend potential adjustments to optimize effectiveness for oily skin and ensure formulation stability.
What are the differences in function and properties between Zinc (from Yeast) and Zinc Bisglycinate for hair nourishment, what are their recommended daily dosages, and should they be taken with other substances?
Regarding a formulation containing Ezerwax, Pure-Baicalin, Olive Oil PEG-7 Esters, and other ingredients, I would like to know if Ezerwax and Pure-Baicalin are soluble in Olive Oil PEG-7 Esters, and if Olive Oil PEG-7 Esters is sufficient to emulsify the oil phase to achieve a stable formula.
I am formulating a serum containing Niacinamide (8%), PHA, various B vitamins, Aloe Vera, Glycerin, DMI, preservatives, and minerals (Mg, Zn, Cu Gluconate) followed by GHK-Cu. After adding Copper Gluconate, the mixture turned black. What is causing this discoloration and how can I fix it?
What is the recommended daily dosage for Soy Peptide (Oligopeptide, 500 Daltons)? I cannot find this information.
Can Vanillyl Butyl Ether be used in lip gloss, what is the recommended starting percentage for a warming sensation lasting about 30 minutes, and what is its country of origin?
For a physical sunscreen formulation for sensitive, acne-prone skin using an Aloe Vera Gel base with liquid Titanium Dioxide and Zinc Oxide dispersions, is it necessary to add silicone, and is this specific formula composition compatible and effective?
When incorporating Safe-B3 (Niacinamide), GlucoBright (Acetyl Glucosamine), and Tranexamic Acid powders into a lotion formulation, should these ingredients be dissolved in distilled water first before mixing with the lotion base, or can they be added directly? Will adding them directly without pre-dissolving reduce their effectiveness?
I would like to know about the compatibility of the ingredients in my formulation. Which ingredients need to be reduced or increased? Are they compatible? What other ingredients should be added? Is anything missing? I want a nourishing skin cream that focuses on brightening, absorbs well, and is not sticky, to achieve the best results. Please provide some advice. My formulation includes: * Safe-B3™ (Vitamin B3, Niacinamide) 5% * GlucoBright™ (Acetyl glucosamine) 4% * Tranexamic Acid 3% * Satin Cream Maker™ 1% * Dimethyl Isosorbide (DMI) 2% * Laurocapram (Water Soluble) 2% * Calendula Extract (Water Soluble) 2% * Distilled Water q.s. to 100%
Which form of Hydroxyphenyl Propamidobenzoic Acid is suitable for use at a concentration of up to 2%?
I have a draft formulation list for a cosmetic product (details provided). Is this formula feasible, and are adjustments needed? Can I add Plankton Artemia Extract, Marine Plankton (Lifting, Tightening), and Centella Asiatica Extract (Madecassoside 90%)? What percentages are recommended for these additional extracts, and can percentages be adjusted during custom production?
How to dissolve fragrance oil completely in Fractionated Coconut Oil to achieve a clear solution, and what co-solvents can be used?
I would like to inquire about the possibility of formulating a herbal hair dyeing shampoo, potentially using my own herbs, and if production services are available for such a product.
I would like to inquire about a hair dye gel formulation for covering grey hair. Could you please recommend a rough formula? I have not made hair dye formulations before. I am considering using `Carbomer U21` and `PPG-17` in the formula. Could you advise on their roles and how they fit into the formulation?
How can I improve fragrance diffusion and longevity when using Reed Diffuser Base Type 1, considering the effect of adding alcohol and the role of DPG?
