Usage Amount and Stickiness of 12H Fix™ Fragrance Fixative
คำถาม
Regarding 12H Fix™ fragrance fixative, the usage instructions mention using approximately 10%. I would like to know:
If a product is 100 ml, how many grams (g) of [url=https://www.myskinrecipes.com/shop/%E0%B8%AA%E0%B8%B2%E0%B8%A3%E0%B8%95%E0%B8%A3%E0%B8%B6%E0%B8%87%E0%B8%81%E0%B8%A5%E0%B8%B4%E0%B9%88%E0%B8%99-fragrance-fixative/7835-12h-fix-%E0%B8%81%E0%B8%A5%E0%B8%B4%E0%B9%88%E0%B8%99%E0%B8%AB%E0%B8%AD%E0%B8%A1%E0%B8%95%E0%B8%B4%E0%B8%97%E0%B8%99%E0%B8%99%E0%B8%B2%E0%B8%99.html:hkm441n4]12H Fix[/url:hkm441n4] should be included?
I tried dissolving it in alcohol and it dissolved well, but when it comes into contact with water, it becomes sticky like glue. I want to know if, when used in various products and sprayed onto the skin, it will feel sticky when sweating?
คำตอบ
Information about 12H Fix™ (Fragrance Fixative)
Based on your questions about 12H Fix™, here is the information:
1. Amount of 12H Fix™ in a 100ml Product
The usage rate for 12H Fix™ is typically recommended at 5% or less for perfume sprays, although it can be used up to 20% depending on the desired longevity and solubility. Usage rates in formulations are usually calculated by weight.
For a 100ml product, assuming the density is close to water (approximately 1 g/ml), the total weight would be around 100 grams.
- If you use the recommended rate of 5%, you would need approximately 5 grams of 12H Fix™ in a 100ml product.
- If you were to use 10% as you mentioned (which is higher than the typical recommended rate for sprays but within the possible range depending on the application and solubility), you would need approximately 10 grams of 12H Fix™ in a 100ml product.
Remember that the maximum usage rate also depends on its ability to dissolve properly in your specific formula.
2. Stickiness on Skin When Sweating
12H Fix™ is a white powder that needs to be properly dissolved before use. The recommended method is to dissolve it with LipidSoft™ Lite at a ratio of approximately 1 part 12H Fix™ to 2 parts LipidSoft™ Lite, using heat (60-70°C) until completely dissolved. This mixture is then added to the main formula.
Your observation that it becomes sticky like glue when exposed to water after dissolving in alcohol suggests that the method of dissolution is critical. If 12H Fix™ is not fully or properly integrated into the formulation according to the recommended method (using LipidSoft™ Lite and heat), it may exhibit stickiness, especially when coming into contact with moisture like sweat.
When used correctly in a well-formulated product (like a body spray or lotion base as described in the product information), the aim is for the fixative to enhance fragrance longevity without causing excessive stickiness on the skin, even with sweat. However, its nature is to help ingredients adhere, so improper formulation or very high concentrations might potentially lead to some tactile feel, especially in humid conditions or with significant sweating. Following the recommended dissolution and usage rates is key to minimizing this potential issue.
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