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How to make shampoo and cond bars last longer
Hi!
I’m currently trying to reformulate the shampoo bar and conditioner bar, mainly because of cost. But I find some issues in the original formula and one of them I still can’t figure it out, which is that the bars don’t last as long as bars in market. I wanted to make the bar lasts 10-15 washes, considering a 15g bar (as sample). Today the same sample lasts only 4-5 washes. Ahh, btw, the foam is poor, seems like it does not lather well, I wonder if it’s because of dosage of oils that goes in the formula… I would appreciate any tips on that too!
Here’s the formula:
Dicaprylyl carbonate 12%
Cetyl alcohol 23%
Cetearyl alcohol 10%
Tocopheryl acetate 0.50%
Sodium cocoyl isethionate 25%
Shea butter 5%
Canola oil 3%
Lexfeel Shine 2%
Aqua 2%
Glycerin 1.5%
Dye qs
CAPB 5%
Kaolin 8%
Lexgard natural 1%
Fragrance 2%
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3 Replies
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Hi. Is this a 2 in 1 SH+Cond bar? For a shampoo bar, it has very low amounts of detergent and high levels of waxes and oils. This might not let the bar foam properly, and force consumer to rub it more than usual, and that would explain why it lasts so little.
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Hi! That’s a good point. What would be the % range of detergent and max of oils/waxes?
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You can take this as a reference of approx percentages: https://www.ulprospector.com/en/la/PersonalCare/Detail/118099/6921068/Foamy-Shampoo-Bar?st=1&sl=391941483&crit=a2V5d29yZDpbc29saWQgc2hhbXBvb10gPiBGb3JtdWxhdGlvbnM%3d&ss=2&k=solid|shampoo&t=solid+shampoo
ulprospector.com
Foamy Shampoo Bar by THOR - Personal Care & Cosmetics
This solid shampoo is suitable for all hair types. With a fresh and clean fragrance, a lightweight application is enough to achieve a powerful and effe...
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