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I have sensitive skin with acne, redness, oiliness, and also a rough/dry texture. I have revised my toner formula and would like advice on its suitability, potential...

Cosmetics Acne-prone Skin Sensitive Skin Skin Barrier Repair Texture Modification Toner
Posted by nat_ultra
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I read somewhere about accelerating the oxidation of Rose Hip Oil to make it turn darker and smell stronger. Why would someone do this, and what does it mean for the oil's quality?

Cosmetics Color Changing Ingredient Quality Oil Oxidation Stability
Posted by diow_tuatoo
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I used hydroquinone and my skin became darker instead of lighter. I have stopped using it for a long time. I also tried Ionto, seaweed masks, and herbal masks, but my skin...

Cosmetics Formulation Adjustment Hyperpigmentation Ingredient Alternatives Skin Brightening Sun Protection
Posted by aowa85
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I made a dark green gel formulation. I tested it on my skin and it didn't cause irritation, but I'm still unsure about the exact pH. How can I accurately determine the pH?

Cosmetics Colored Formulation Gel Safety Skin Irritation pH Measurement
Posted by doremon47
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I have questions regarding the storage of cosmetic products and ingredients, specifically concerning the impact of temperature changes. 1. If I make a 50g product (estimated to...

Cosmetics Cosmetic Formulation Raw Material Stability Storage Conditions Temperature Control
Posted by iloveclever
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Can I take small quantities (under 100g each) of cosmetic ingredients, including liquid samples in syringes, to Saudi Arabia? How should I declare them?

Cosmetics Customs Regulations Ingredient Declaration Liquid Additive Raw Material Regulatory Compliance
Posted by jinjie661
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How long does the temporary skin tightening effect from ingredients like Lift-Now™ last, and what factors affect its duration?

Cosmetics Long-lasting Skin Tightening Stability Temporary Effect Wrinkle Reduction
Posted by poohdislers
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Regarding a 15% L-ascorbic acid (LAA) mask formulation, can the pH be adjusted to 5-7 to reduce irritation, and what are the consequences for its effectiveness and absorption?...

Cosmetics Effectiveness Ingredient Alternatives Skin Irritation Stability pH Suitability
Posted by nuyo_boom
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I applied pure (100%) bisabolol directly to my skin and experienced symptoms like burning, stinging, redness, dryness, and rash. What caused this reaction?

Cosmetics Adverse Reaction High Concentration Ingredient Suitability Skin Irritation Usage Percentage
Posted by alphal3et
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I am formulating a water-based acne gel and would like to add color to it. 1. Can I add color to this type of gel? 2. What type of colorants should I use for a water-based...

Cosmetics Acne Treatment Coloring Gel Stability Staining
Posted by aunya.t
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What is the stock status of Beta Glucan, and what are suitable alternative ingredients with similar beneficial properties, such as those for skin barrier repair, hydration, and...

Cosmetics Anti-aging Hydration Ingredient Alternatives Product Availability Skin Barrier Repair
Posted by alphal3et
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I have homemade Gac fruit oil that is quite viscous. I want to make it less thick for easier application on the skin. How can I dilute it? Also, I've noticed that some oils...

Cosmetics Dilution Emulsification Oil Texture Viscosity
Posted by rujira_poonged
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Regarding the following oil control gel formulation: **Ingredients:** * Distilled Water: 85.2% * Vitamin B3, Niacinamide (`Safe-B3™`): 5% * Methylsulfonylmethane (`MSM`): 5% *...

Cosmetics Custom Formulation Gel Ingredient Alternatives Oil Control Skin Brightening
Posted by xperiapkay2311
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How can I add scent and flavor to lip balm? What ingredients are suitable, and what are their recommended usage percentages?

Cosmetics Flavor Fragrance Lip Balm Solubility Usage Percentage
Posted by naughty_tunie
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I want to make a moisturizer for dry, sensitive, and dull skin using ingredients such as: * `ceramide 5%` * `moist72 2%` * B3 * Glucobright How should I mix these ingredients...

Cosmetics Cosmetic Formulation Cream Sensitive Skin Skin Brightening Skin Dryness
Posted by abandon.p
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I am formulating a liquid cream using `Light Cream Maker` as the emulsifier. I want to use the minimum possible amount of `Light Cream Maker` to achieve a very liquid texture...

Cosmetics Emulsification Phase Separation Precipitation Sunscreen Formulation Usage Percentage
Posted by preme9294
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I would like to use the Lecithin products listed on the website for making food, specifically desserts like chocolate. Can the following products be used in food? * `Lecithin...

Food Emulsifier Food Application Stability Texture Viscosity
Posted by mockzz
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I want to make a clear gel lip tint. Here is my formula: * Squalene 5% * Isododecane 5% * Red Powder‎ (CI16255, CI14720) 1% * Propylene Glycol 5% * Pro Polymer™ (Gel Maker) 1%...

Cosmetics Dispersion Formulation Adjustment Gel Lip Tint Oil-based Formulation
Posted by me_ok
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Following up on the formula provided in the thread 'Inquiry about Sea Kelp Bioferment': `น้ำ + ceramide complex 10-20% + licorice extract 1% + allantoin 0.2% + beta glucan...

Cosmetics Cream Phase Separation Preservation Skin Dryness Skin Irritation
Posted by preme9294
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According to the information, **Stabilized Vitamin C (Natural-C Glycol™)** is suitable as a finished product. However, if I want to adjust the pH to meet FDA requirements...

Cosmetics Formula Review Ingredient Interaction Regulatory Compliance Stability pH Adjustment
Posted by you_your25
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