Q&A: Why do people use apple cider vinegar rinse after washing with alkaline products? Why not just make the shampoo bars with very low pH? (Tons of information about hair chemistry and shampoo bars…)

In the July Q&A post, I live in an area with very hard water, and I’ve heard that could cause a problem when using shampoo bars. I’ve also heard about apple cider vinegar rinse, which does not sound too pleasant to me. Would you shine more light on this? Does the vinegar rinse work because of...

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Subscribers’ exclusive: Potential duplication for Perfectly Gentle shampoo from The Honest Company (part five)

We made it! We have a few more things to think about, then it’s formula time! To recap – part one, part two, part three, and part four – but the most important parts of this product are the surfactants, those bubbly, lathery, foamy things that make the shampoo do its magic! Water (Aqua), Cocamidopropyl Hydroxysultaine,...

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Subscribers’ exclusive: Potential duplication for Perfectly Gentle shampoo from The Honest Company (part four)

We’ve been having some fun analyzing the ingredient list for this shampoo – part one, part two, and part three – but the most important parts of this product are the surfactants, those bubbly, lathery, foamy things that make the shampoo do its magic! I think it would be easier to use a blend or...

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Subscribers’ exclusive: Potential duplication for Perfectly Gentle shampoo from The Honest Company (part three)

We’ve been having fun thinking about how we might duplicate the Perfectly Gentle shampoo from The Honest Company, so let’s keep going! Woo! We’ve obtained a complete ingredient list with INCI names and we’ve analyzed each ingredient. Click here for part one, and click here for part two. What do we have here, then? We have a...

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Subscribers’ exclusive: Potential duplication for Perfectly Gentle shampoo from The Honest Company (part two)

Yesterday, we started our review of the ingredient list for The Honest Company Perfectly Gentle Shampoo. Let’s continue! Water (Aqua), Cocamidopropyl Hydroxysultaine, Sodium Laurylglucosides Hydroxypropylsulfonate, Sodium Methyl Cocoyl Taurate, Sodium Chloride, Sodium Lauryl Glucose Carboxylate, Citrus Aurantium Dulcis (Orange) Peel Extract, Citrus Reticulata (Tangerine) Peel Extract, Vanilla Planifolia Fruit Extract, Calendula Officinalis Flower Extract*, Chamomilla...

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