Browse Questions and Answers

Avg response: 24 Hrs
Minimum 3 characters for search

20 of 14228 results

How necessary is it to add BHT to a cream formula? How many types of oil or what quantity of oil should be present in the formula before it is recommended to include it?

Cosmetics Cream Rancidity Prevention Oil Oxidation Shelf Life Formulation Stability
Posted by sasikarn.str
Read More

I want to ask, I made makeup remover according to the recipe listed below and received reviews from customers that my eyes were stinging, I don't know why. **Ingredients table:** * WATER * PEG-6 CAPRYLIC/CAPRIC GLYCERIDES (10%) * GLYCERIN (5%) * XYLOOLIGOSACCHARIDE (1%) * PHENOXYETHANOL (0.4%) * CETRIMONIUM BROMIDE (0.1%)

Cosmetics Adverse Reaction Makeup Remover Eye Irritation Micellar Water Cleansing Product
Posted by Anonymous
Read More

Dear Sir, I need a 20% Lidocaine cream formula for both the HCl and Base forms. * **Texture:** Gel-cream * **Type:** Oil-in-water (O/W)

Cosmetics Gel Cream Solubility Active Ingredient Stability Electrolyte Resistance Crystallization
Posted by info
Read More

At which step should Carbomer be added to adjust the viscosity?

Cosmetics Gel Viscosity Adjustment Mixing Procedure Thickening Neutralization
Posted by paraquatyouedok.55555555
Read More

Hi there. I would like to make a creamy eye shadow. It should all be of natural origin. It is important that it doesn't crease and that it can last a long time on the eye lid. I have tried making this (among others) but it's not really there: | Ingredient | % | | :--- | :--- | | Caprylic/Capric Triglyceride | 21% | | C10-18 Triglyceride | 10% | | Mica (77019), Copernicia Cerifera (Carnauba) Wax | 10% | | Iron oxide | 8% | | Magnesium Myristate | 3% | | Carnauba Wax | 4% | | Silica Dimethyl Silylate | 4.00% | | silica/kiesel | 3.00% | | Cetiol Ultimate | 36% | | E-vita | 0.50% |

Cosmetics Cream Eyeshadow Non-creasing Long-lasting Adhesion Natural Origin
Posted by mette
Read More

Hello, I have a question regarding **Japanese Rice Powder**. I am currently using it in a **Tanaka powder** formulation. I would like to know if there are other natural ingredients that are better than this one, specifically focusing on: * Better texture * Translucency * Improved skin adhesion

Cosmetics Adhesion Powder Texture Translucency Natural-Derived
Posted by eve10400
Read More

Questions regarding the formula: Please provide detailed phase division and addition order, and help analyze the feasibility of the lotion texture. How should it be adjusted? | Ingredient | Amount (%) | | :--- | :--- | | Water | 80 | | Glycerin | 4 | | Niacinamide | 2 | | Disodium EDTA | 1.5 | | White Mineral Oil | 4 | | Isopropyl Palmitate | 2 | | Stearic Acid | 4 | | Glyceryl Stearate | 1.5 | | Cetyl Alcohol | 0.5 | | Dimethicone | 0.5 | | Triethanolamine | 0.8 | | Phenoxyethanol | 0.8 | | Fragrance | 0.05 | | Lactic Acid | 0.05 |

Cosmetics Lotion Mixing Procedure Emulsion Stability Aesthetic Appearance Amount Calculation
Posted by paraquatyouedok.55555555
Read More

Does Ethyl butylacetylaminopropionate have any solubility in oil based systems for example a base made up of mostly coco-caprylate/caprate to create a dry oil spray?

Cosmetics Active Ingredient Stability Solubility Dry Oil Spray Insect Repellent
Posted by info
Read More

I have a question because the information on the front page and the technical page is conflicting regarding **Lanolin Alcohol**: 1. How much heat can it withstand? 2. At what temperature should it be mixed?

Cosmetics Heat Stability Mixing Temperature Oxidation Storage
Posted by m.chayuti
Read More

Which thickener should I use for Potassium Laurate (30%)?

Cosmetics Liquid Soap Viscosity Thickening Alkaline Formulation Saponified Soap
Posted by thailadyartnew
Read More

I am using COS NNP pearlescent liquid soap base with a pH of approximately 9. If I want to increase the viscosity, should I use HEC or HPMC?

Cosmetics Liquid Soap Viscosity Viscosity Increase Alkaline Formulation Foam Stability
Posted by tuss.pa4
Read More

Dear, we are currently looking for a high hydration retardation hydroxyethylcellulose (HEC) and would greatly appreciate your guidance and expertise. We came across a product from Natrosol 250™ hydroxyethylcellulose (HEC) that meets our requirements, and we are attaching their specifications for your reference. Based on this, we would like to ask whether any of the HEC grades in your portfolio could be considered comparable or suitable for similar applications. Your recommendation would be very valuable to us, especially regarding: * Whether you offer a high hydration retardation type of HEC * Which specific grade you would suggest as the closest match to the attached specifications.

Cosmetics Gel Viscosity Adjustment Delayed Dissolution Thickening Agent Solubility
Posted by tajka
Read More

Is there a solubilizer for oil-based actives to dissolve in a water-based gel base to make it clearer? In the formula, there are: * Hemp seed oil 0.1% * Vitamin E 0.05% * Aristoflex AVC 2% (gel base)

Cosmetics Gel Solubility Clarity Aesthetic Appearance Active Ingredient Combination
Posted by Angkana
Read More

Hi there. Can Gold (Shiny/Gloss) Vitamin E Beads 0.5-1mm (Dry) be added to a oil based balm to make a mild lip scrub?

Cosmetics Lip Balm Lip Scrub Anhydrous Formulation Abrasive Exfoliation
Posted by Anonymous
Read More

Can this product help prevent feathering in a lip gloss? Or do you have any other suggestions? Natural/natural origin.

Cosmetics Lip Gloss Feathering Oil Gel Natural Origin Adhesion
Posted by Anonymous
Read More

i have a question about the formulating instructions: * it says to disperse in oil with a melting point of 122 F - 158 F * but it also says to add at last step and avoid temperatures above 104 F this is conflicting information, which do i follow?

Cosmetics Active Ingredient Stability Solubility Cream Lotion Texture
Posted by pyrrhuloxiaa
Read More

1. For a Water-Based scrub, should I use Water-soluble or Oil-soluble dyes (and add an oil phase) to prevent skin staining? 2. If using water-soluble dyes, what is the recommended dosage in the formula to ensure it doesn't stain the skin? 3. What ingredients can be added to solve the skin staining issue? Or are there any tips for fixing this problem? **P.S.** Currently, I am using a water-soluble powder dye diluted to 3% in distilled water.

Cosmetics Scrub Skin Staining Solubility Amount Calculation Aesthetic Appearance
Posted by chayanis.r
Read More

Normally, what batch size should be used for cream formulation in a lab scale to ensure comprehensive measurement results? * Please recommend the essential equipment needed for product preparation.

Cosmetics Batch Size Lab Equipment Formulation Development Accelerated Stability Test Accuracy
Posted by sasikarn.str
Read More

Evaluate ingredients and method for Face Cream with Perfect C and Matrixyl 3000 I did a test to check stability with minimal ingredients to see if light cream would form with phases heated to less than 60 degrees and then cool down to 45 degrees before using a stick blender to emulsify and cream formed and stable and did not split. Basic formula was : Test first with Water , Sepimax Zen and no extras 100.00 Heated water phase - Heat to 50 Degrees % Distilled water 74.00% EDTA 0.25% Sepimax Zen - Thickener 0.30% Total Water Phase 74.55% Heated oil phase (can have 30% Oil with this emulsifyer Note only heat Oil until 50 degrees and let cool down below 45 before emulsifying Lipomulse Emulsifying Wax (Non-Ionic) INCI : Cetearyl Alcohol, Glyceryl Stearate, PEG-40 Stearate, Ceteareth-20 4.00% Cetyl Alcohol 2.50% MCT Oil to Test 18.25% Total Oil Phase 24.75% Cooldown Preservative INCI : Liquid Germall Plus - Propylene Glycol (and) Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate. 0.50% Vit E (70% tocopherols) 0.20% Total Cooldown Phase below 40 Degrees C 0.70% Total 100.00% I want to make a cream with the following ingredients and also wonder if I could include Panthenol Vitamin B5 powder 2% in the water phase ( I would reduce Water % to include the Panthenol so total formula 100% if no contradictions with using Perfect C etc) - The proposed formula is: Face Cream - with Perfect C and Matrixyl 3000 100.00 Heated water phase - Heat to 50 Degrees % Distilled water 63.10% Pentylene glycol (Oil and Water Soluble) 2.00% EDTA 0.20% Sepimax Zen - Thickener 0.30% Total Water Phase 65.60% Heated oil phase (can have 30% Oil with this emulsifyer Note only heat Oil until Lipomulse Emulsifying Wax (Non-Ionic) INCI : Cetearyl Alcohol, Glyceryl Stearate, PEG-40 Stearate, Ceteareth-20 4.00% Cetyl Alcohol 2.50% Squalane 5.50% Coco-Caprylate 5.00% Isoamyl Laurate 3.00% Perfect-C™ (Ascorbyl Tetraisopalmitate) 4.00% Total Oil Phase 24.00% Cooldown Preservative INCI : Liquid Germall - Propylene Glycol (and) Diazolidinyl Urea (and) Iodopropynyl Butylcarbamate. 0.50% Vit E (70% tocopherols) 0.40% Ethoxydiglycol (EDG) 2.50% Ferulic Acid 1.00% Matrixyl™ 3000 3.00% Double Hyaluron Liquid 3.00% Total Cooldown Phase below 40 Degrees C 10.40% Total 100.00% I planned adding Perfect C in heated oil phase when oil phase is below 45 degrees or would I be better off adding in Cooldown once emulsions is formed with the other cooldown ingredients? Thanks for your advice.

Cosmetics General Question
Posted by sequinn347
Read More

Recommended mixing ratios for foundation between **Hyaluronic Acid Gel Base** and the **WaterMix™** color group.

Cosmetics Amount Calculation Foundation Gel Color Mixing Coverage
Posted by 6770067023
Read More