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Addressing Rancid Smell in Lotion

My lotion formulation sometimes develops a rancid or spoiled smell, even though I use a preservative. The formula includes **Satin Cream Maker at 12.57%**, Natto Gum, shea...

Cosmetics Emulsifier Fragrance Lotion Odor Stability
Posted by nuttiizearp
2017-07-04
Formulation and Usage of Salicylic Acid and Retinaldehyde for Clogged Pores

I have questions regarding acne treatment, specifically clogged pores, and formulation: 1. How does Benzoyl Peroxide (BP) compare to Salicylic Acid for dissolving clogged...

Cosmetics Acne Treatment Clogged Pores Cosmetic Formulation Encapsulation Stability
Posted by jn_andy
2017-07-04
How to Thicken Liquid Formula into Cream using Fatty Alcohol

I have a liquid formula containing DI Water, Dehyquat C 4046, Microcare PHC, and SI6020z. How can I thicken this formula to achieve a cream texture?

Cosmetics Cream Hot Process Formulation Ingredient Suggestion Texture Thickener
Posted by lovelyjeab14
2017-07-04
Water-Soluble Sunscreen and Adding Sunscreen to Finished Cream

I have two questions regarding sunscreens: 1. Is **Ensulizole** (Phenylbenzimidazole Sulfonic Acid) water-soluble? 2. How can I add sunscreen to an existing cream formulation?...

Cosmetics Cream Ready-to-use Formulation Solubility Sun Protection Sunscreen Formulation
Posted by slimandspa
2017-07-04
Using Nano Silver for Disinfectant and Odor Eliminating Spray

I want to make a spray using Nano Silver. Can Nano Silver be used as a disinfectant and odor eliminator? If so, how should I formulate it, and what concentration should I use?...

Cosmetics Disinfectant Ingredient Alternatives Odor Reduction Spray Water-based Formulation
Posted by apichaimst
2017-07-04
Adding Anti-aging Ingredients to Vitamin C Serum: Stability Concerns

Can **Acetyl Hexapeptide-8 (Argireline)** or **Repair Activator** be added to the **Vitamin C E Ferulic Lite formulation**?

Cosmetics Anti-aging Ingredient Interaction Serum Stability
Posted by ladytanyaorm
2017-07-04
Anti-Aging and Brightening Gel/Serum Formulation for Face and Under-Eyes (Manual Mixing)

I am looking to formulate an anti-aging and brightening gel or serum for my face and under-eye area. My skin is mixed/oily, and I plan to mix it manually. The key skin concerns...

Cosmetics Anti-aging Hyperpigmentation Manual Mixing Serum Under-eye Product
Posted by monkeyy_wallker
2017-07-04
How to Mix Iron Oxides EasyMix™ in Glycerin Soap Base

How to effectively mix Iron Oxides EasyMix™ colors (Red, Black, Yellow, Beige, White) into a liquid glycerin soap base, considering they are designed for oil/silicone...

Cosmetics Dispersion Liquid Soap Mixing Procedure Pigment Solubility
Posted by parn_np
2017-07-04
Adjusting pH of Vitamin C E Ferulic (Lite) for Sale and Stinging Reduction

I am using the product Vitamin C E Ferulic (Lite). The product's pH is currently around 2-3, and it causes a stinging sensation. Can I adjust the pH higher? What is the...

Cosmetics Cosmetic Formulation Regulatory Compliance Serum Skin Irritation pH Adjustment
Posted by monrada16
2017-07-03
Questions about Natural Emulsifier in Scrub Formulation and Equipment Cleaning

I am planning to make a scrub using the following formula: * Natural Emulsifier (Emulvama AGC) * shea butter * Liquid Oil (Hazelnut, Apricot or Sweet Almond) * Sugar or Salt *...

Cosmetics Cleaning Ingredient Alternatives Natural Emulsifier Scrub Sterilization
Posted by yoou_u
2017-07-03
Role of Solvents/Humectants in Toner and Fragrance COA Availability

I have two questions regarding cosmetic formulation: 1. Why are solvents like Butylene Glycol or Glycerin included in formulations? Can they be omitted in a toner formulation?...

Cosmetics Fragrance Humectant Ingredient Availability Solvents Toner
Posted by girlmedi_jap_cute
2017-07-03
Using Stabilized Vitamin C Serum During the Day and Sun Exposure

Question about using Stabilized Vitamin C (Natural-C Glycol™) Serum: * Can it be applied directly to the skin? * Can it be used during the day? * What happens if the skin is...

Cosmetics Daytime Use Direct Application Serum Skin Brightening Sun Protection
Posted by ilove_caramel
2017-07-03
Adjusting Serum Viscosity with AnyGel: Formula Recalculation vs. Spot Fix

Regarding increasing the thickness of a serum using AnyGel: Does increasing the amount of AnyGel (from the original 1% up to a maximum of 2% as previously recommended) require...

Cosmetics Formulation Adjustment Ingredient Addition Serum Thickener Viscosity
Posted by peeya_pgi
2017-07-03
Using Galactomyces Ferment Filtrate (Pitera) in Cream Formulation

Regarding the use of Galactomyces Ferment Filtrate (Pitera) in a skin cream formulation: Can I use Galactomyces Ferment Filtrate (Pitera) to completely replace the water phase...

Cosmetics Cream Ingredient Function Texture Usage Percentage Water-based Formulation
Posted by wisediq
2017-07-03
Gentle Preservative and Compatible Cream Maker for Face Mask

I am formulating a face mask in a jar. Using `Phenonip® P4` at 1% caused stinging on my face. I am looking for a gentle preservative that does not cause irritation. I have seen...

Cosmetics Compatibility Face Mask Gentle Formulation Preservation Skin Irritation
Posted by teerakitsakul
2017-07-02
Gel Formulation with Whitening Actives: Pro Polymer Oil Compatibility, Mixing Steps, and Penetration Enhancers

I am developing a whitening gel formulation and have several questions regarding ingredient compatibility, dissolution, mixing steps, and penetration enhancers. 1. How much oil...

Cosmetics Gel Mixing Procedure Oil Compatibility Penetration Enhancer Thickener
Posted by vareeras
2017-07-02
Alternatives for Lightweight Massage Oil Base

I want to make a massage oil with a lighter texture than Fractionated Coconut Oil and without the slight rancid smell. I am considering using Mineral Oil as a base. Will a...

Cosmetics Body Oil Ingredient Alternatives Light Texture Non-sticky Texture
Posted by piramas
2017-07-02
Oil-Fix™: Pore Clogging Potential in Different Formulas

Can **Oil-Fix™** cause clogged pores, and does its potential depend on the type of cosmetic formula it's used in (e.g., oil-based makeup vs. general skin cream)?

Cosmetics Clogged Pores Cream Oil-based Formulation Stability Texture
Posted by jn_andy
2017-07-01
Ingredients for Moisturizing Natural Matte Lipstick Formulation

Could you provide guidance or a formulation approach for creating a lipstick that is matte, moisturizing, and uses natural ingredients? I am looking for suitable waxes,...

Cosmetics Cosmetic Formulation Hydration Lipstick Matt Finish Natural Ingredients
Posted by modtanoyza
2017-07-01
High Concentration of Disodium EDTA in Cosmetics

Is a 5% concentration of Disodium EDTA acceptable for use in a cosmetic essence formulation intended for skin application?

Cosmetics Concentration Essence Ingredient Safety Ingredient Suitability Skin Irritation
Posted by moomoonote
2017-07-01