tecnico3vinia
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(Quote) Great! I'll test it. Thank you!
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(Quote) Yes, maybe using a blend can be an option! Thank you.
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(Quote) Antioxidants and preservatives are different things. This is a very broad topic, but basically, preservatives are used to prevent the proliferation and growing of microoganisms. Antioxidants are used to prevent the oxidation of some…
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Are you using 'pure' Vitamin C (Ascorbic Acid)? One thing about this form of Vitamin C is that it is highly unstable on aqueous medium, so it is very alike that the formulation will change it's color. Also, 32% of Vitamin C is a VERY high concentr…
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As Perry said, soap is old technology. People have been using it for ages, but now we have more advanced and sophisticated technology that allows the creation of products that are also more sophisticated and with better characteristics overall (e.g …
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You can slightly incease the SLS and Cocamidopropyl Betaine concentration to benefit from their synergy and ionic-thickening mechanism. You also can use Cocamide DEA to help increase the viscosity. Also, if the pH is more acidic, Cocamidopropyl Beta…
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(Quote) Thank you! It's a very simple gel formulation consisting in water, glycerin (around 3%), xanthan gum (around 0.5 to 2%) and preservative. I'll see if I can test the options that you pointed out.
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(Quote) Great, Gordof! I'll definitely see if I can test these options. Thank you!
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(Quote) Great! Thank you, Abdullah!
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(Quote) Thank you, Bill! Unfortunately we can't use quats on natural formulations, since they are prohibited by certifications bodies, like Natrue and COSMOS-Standard.
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(Quote) I'm very skeptical of those claims. Nowadays every company market their preservatives as 'multifunctional' and 'broad spectrum', which I doubt that is true (in most cases).
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(Quote) Oh, great! Thank you, Syl. I'll definitely read through it.
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(Quote) Thank you! I discovered these Cosphatec's preservatives while I was doing some research days ago. I've found out that Alverde uses a lot of Levulinic Acid and Sodium Levulinate, which are also flavour/fragrance compounds. While I'm …
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(Quote) Thank you for the heads up. I wonder that at this concentration ethanol can maybe affect the viscosity of some systems, but I think I'll have to try that out to see if it happens in my system.
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(Quote) Thank you so much!
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(Quote) Thank you Abdullah! I'll say to my client to try out these ingredients and tell me what does she thinks of the results.
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When I started out I was a maximalist, but now I'm definetely a minimalist. Less ingredients = less interactions between them; less components to cause reactions on consumers' skin and also potentially lower costs with raw materials!
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(Quote) I strongly suggest that you use silicones. They are always the best options to achieve a good skin feel and nice sensory properties in cosmetic formulas. The best options on this case would be fluid cyclomethicone (cyclopentasiloxa…
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There some solubilizers that I use in surfactant systems: - PEG-40 Hydrogenated Castor Oil; - Olivem 300 by Hallstars; - Polysorbates. Also, you could try to use some of your surfactants to solubilize the oily components. Separate an amount of the …
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Dimethicone will be suspended/dispersed in your emulsion. It doesn't need to be 'solubilized'. You can add it after adding the emulsifiers. Then (properly) mix the whole formualtion (the best option is using a stirrer with 700-1500 rpm). For small-s…
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(Quote) Thank you, Perry! I'll get in touch with them.
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(Quote) Thank you! I'll do my research on the topics that you pointed out.
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(Quote) Thank you for the heads up, Stanley. About the glycerin, that is really interesting! I'll do more research on the topic to understand it better.
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(Quote) Thank you! I'll definitely read up on the Regulatory aspects here in the country that I live in.
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(Quote) Oh, great! I'll reach out to some distributors to see if they sell it here in the country that I live in and how much does it cost. Thank you for the heads up!
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Happy birthday, Perry! Thank you for always willing to help other professionals with your knowledge and experience.
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(Quote) Hey! Unfortunately I can't tell you what's wrong. I actually never worked with Hotact. I'd suggest that you create a discussion with this issue, so more people can see it and maybe help you.
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Adding some 'refatting' agent can be a option, like Cocamide DEA/MEA or a ethoxylated emollient. You have to find the optimum concentration where it don't affect the cleaning efficacy.
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(Quote) Ouch! If I ever use it in some formulation I guess it's better they're not recommended for use in intimate areas. Many thanks, Pattsi.
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(Quote) Methyl Nicotinate, interesting! I think we have it in our lab here. I will try to test it later. Thank you for the heads up.
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