Q&A

Q&A: Germall Plus new regulations? Nooooo! Information on how the SCCS in the EU has altered their threshold for free formaldehyde

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Six plastic bottles containing preservatives sit atop a metal plate on a digital scale

In this month’s Q&A, Anca shared, Germall Plus New Regulations. Noooooo! I just learned about new regulations by the Scientific Committee for Consumer Safety (SCCS) for formaldehyde releasing preservatives. According to them, the substances affected are: Diazolidinyl Urea; Dimethyl Oxazolidine; DMDM Hydantoin; 7-Ethylbicyclooxazolidine; Hexetidine; Imidazolidinyl Urea; Methenamine and Sodium Hydroxymethylglycinatethat. They now mandate that any product...

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Q&A: Should I pre-dissolve panthenol in water to make a solution? Should I have a powdered and liquid version?

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In this month’s Q&A, Susan wrote, Happy day to you! I only have the powdered form of panthenol at the moment. It’s from Formulator Sample Shop, with a recommended usage rate of 1-5%. To make it a more versatile ingredient, I’m wondering which of the following scenarios might be best … 1) Should I turn the...

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Q&A: Is there a way to identify powder and liquid ingredients?

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In this month’s Q&A, Susan asked, I am wondering if there are any patterns within your formulations which might help me determine whether powdered or liquid ingredients are called for. For instance, I’ve noticed that powdered extracts tend to appear as 0.5% whereas liquid extracts appears as 5%. Additionally, panthenol appears as a powder in...

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Q&A: Can we substitute another hydrolyzed protein or amino acid for silk?

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In this month’s Q&A, Susan asked, If a formula calls for hydrolyzed silk protein but you don’t have any are you farther ahead to substitute a different hydrolyzed protein or substitute silk amino acids? With a different protein you’re still getting the extra goodies that amino acids don’t have yet the amino acids are in...

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Q&A: How interchangeable are humectants?

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In this month’s Q&A, Susan asked, I’m wondering whether humectants are fully interchangeable, the same way that hydrolyzed proteins seem to be. Specifically, I’m looking at a Lotioncrafter formulation (Time Defy Facial Serum) which calls for butylene glycol but I don’t have any. I do have vegetable glycerin, honeyquat, sodium lactate, and propanediol 1-3. I’m hoping...

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