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Based on the previous discussion about using 20-30% fragrance oil in a diffuser base and adjusting with [Dipropylene Glycol], could you provide a detailed formula for making...

Cosmetics Commercial Sale Fragrance Diffusion Fragrance Formulation Reed Diffuser
Posted by panitkit
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I made a Vitamin C + Beta Glucan serum for personal use and measured the pH at 2.3. I would like to ask if it can be used on the face. Please advise. **Formula:** * DI water...

Cosmetics Facial Use Serum Skin Irritation Stability pH Adjustment
Posted by kanjanee
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I was making a cream and initially added Light Cream Maker at 1%. After mixing, the cream didn't emulsify properly, so I added a bit more (around 0.5%-1.0%). This made the...

Cosmetics Cream Emulsifier Phase Separation Stability Texture
Posted by jai.79
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What is the suitable pH range for cosmetic products when using aluminum packaging? Why is it important to stay within this range?

Cosmetics Cosmetic Formulation Packaging Stability pH Compatibility pH Suitability
Posted by poohdislers
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I made a homemade silicone-based sunscreen, but it seems to be causing clogged pores and acne, even though I cleanse thoroughly. Why is this happening, and what are some...

Cosmetics Acne Treatment Clogged Pores Silicone-based Formulation Sun Protection Sunscreen Formulation
Posted by jai.79
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I previously ordered Stabilized Vitamin C (Natural-C Glycol™) and mixed it with mica powder because I thought it looked nice. When I started applying it, I felt that my face...

Cosmetics DIY Formulation Serum Stickiness Texture Warming Sensation
Posted by yiimyiimyiim11
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Can I use the Vitamin C E Ferulic Premix kit formula to register my own brand with the FDA? What should I do to avoid copyright issues with original patented formulas like...

Cosmetics Custom Formulation FDA Registration Formulation Adjustment Patent Serum
Posted by naasuaysai
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I have a skin whitening cream formula using Activated Resorcinol. Could you please review the formula and advise on the mixing procedure for the oil phase ingredients?...

Cosmetics Cosmetic Formulation Cream Emulsifier Mixing Procedure Skin Brightening
Posted by poohdislers
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I have a list of ingredients and want to create a similar formula, but I do not want to use water as a solvent. I need advice on how to modify the formula and what alternatives...

Cosmetics Anhydrous Formulation Cosmetic Formulation Cream Formula Alternatives Solvents
Posted by worakit11079
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I have developed a formulation for reducing dark circles and wrinkles around the eyes and crow's feet. I would like to know if this formulation is effective and if my mixing...

Cosmetics Dark Circles Reduction Eye Care Mixing Procedure Stability Wrinkle Reduction
Posted by marissadajai
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Regarding the DMAE Skin Tightening Gel formula, I need a serum formula designed for sensitive skin that addresses wrinkles, lifting, hydration, and strengthening the skin...

Cosmetics Anti-aging Hydration Sensitive Skin Serum Skin Barrier Repair
Posted by preme9294
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How to create a fragrant spa milk bath formulation that turns milky white when added to water? What are the key ingredients and their functions?

Cosmetics Bath Application Emulsification Emulsifier Fragrance Milky Texture
Posted by k.jupalak
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I have developed a shampoo formula and would like to know if it is too strong. Please review the formula below and advise if any adjustments are needed. Additionally, I would...

Cosmetics Conditioner Cosmetic Formulation Ingredient Ratio Shampoo Formulation Texture
Posted by jai.79
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Can a cream containing 0.5% Retinyl Palmitate be used as both a day cream and a night cream? Are there any concerns regarding photosensitivity when used during the day?

Cosmetics Cream Daytime Use Light Sensitivity Nighttime Use Sun Protection
Posted by diow_tuatoo
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I have questions about adding AHA and Alpha Arbutin to bar soap, especially concerning claims like "AHA 80%". 1. If adding AHA and Alpha Arbutin to a bar soap base, is it...

Cosmetics Bar Soap Claim Formulation Adjustment Stability pH Suitability
Posted by nueiei
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I want to create a long-lasting, dark-colored, semi-lotion body foundation. I understand that achieving a stable product with good coverage and wear properties is more complex...

Cosmetics Body Foundation Coloring Custom Formulation Long-lasting Pigment
Posted by gmac1449
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I purchased a clear, SLS/SLES-free glycerin bar soap base to make facial soap for sensitive, acne-prone skin. I have the following questions: 1. Is there a foaming agent...

Cosmetics Acne-prone Skin Bar Soap Foaming Agent Preservation Sensitive Skin
Posted by angella2545
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Can Zinc PCA be used together with Azelaic Acid? Also, regarding the concentration of Azelaic Acid for acne treatment, what is the appropriate percentage to use, considering...

Cosmetics Acne Treatment Compatibility Concentration Skin Irritation Skin Type Suitability
Posted by pantawan_kantiyatep
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Why doesn't ceramide dissolve easily in water, especially when taken directly from the refrigerator? What are the correct ways to mix ceramide into a formulation?

Cosmetics Ingredient Suitability Mixing Procedure Solubility Stability Texture
Posted by nonvapon
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How can I modify my Amino Powder Cleanser base to replicate a reference product's formula? The reference product contains the following ingredients: * Dipotassium Glycyrrhizate...

Cosmetics Exfoliation Formulation Adjustment Ingredient Addition Powder Cleanser Texture Modification
Posted by kwanawananon
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