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Video: Why pH matters for AHAs and acids in skincare

April 18, 2017 By Michelle 34 Comments

Video: Why pH matters for AHAs and acids in skincare

I’ve been a little frustrated with what scientific concepts I can get through in words and crudely drawn illustrations on this here blog. When I teach at my day job, I do a lot of hand-waving, emphatic underlining, symbolic gesturing and smashing together of whiteboard markers, and not having the ability to show movement sometimes…

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Filed Under: Science, Skincare, Tutorial, Video Tagged With: AHAs, chemical, exfoliation, pH, science, skincare, tutorial, video, vitamin

My Ultraceuticals RVR90 Skin Brightening Experience

March 24, 2017 By Michelle 9 Comments

My Ultraceuticals RVR90 Skin Brightening Experience

Ultraceuticals is an Australian cosmeceutical skincare brand with a strong focus on scientifically-backed, effective products. I was invited to take part in their RVR90 program where I had to commit to using their products and treatments for 3 months (fellow beauty bloggers will know how crazy this is). I’m excited to share my results with…

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Filed Under: Review, Skincare Tagged With: active ingredients, AHAs, peel, pigmentation, review, skincare, treatment, Ultraceuticals, whitening

AHA Exfoliant Pad Review: Nip+Fab, philosophy, Arcona and Pixi

September 13, 2016 By Michelle 2 Comments

AHA Exfoliant Pad Review: Nip+Fab, philosophy, Arcona and Pixi

Alpha hydroxy acid (AHA) exfoliants are fantastic for giving you glowing smooth skin, fading hyperpigmentation and smoothing away fine lines (you can read more about chemical exfoliation here). AHA exfoliants usually come in gel or serum form, but if you’re lazy, you can also get them as presoaked pads in a jar. Here are some…

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Filed Under: Review, Skincare Tagged With: AHAs, Arcona, exfoliation, Nip+Fab, philosophy, Pixi, review, skincare

Free Acid Calculator for Exfoliants at Specific pH Levels

June 2, 2016 By Michelle 43 Comments

Free Acid Calculator for Exfoliants at Specific pH Levels

Since writing this post on the influence of pH on exfoliating acid skincare ingredients, I’ve had a lot of questions on how much active free acid there is in specific formulations. The calculation is a bit fiddly to do every time, so I’ve developed an easy spreadsheet to help you predict the free acid content…

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Filed Under: Science, Skincare Tagged With: active ingredients, AHAs, chemical, exfoliation, science, skincare

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Michelle
Hi! I'm Michelle, chemistry PhD and science educator, and I'm here to help you figure out which beauty products are worth buying, and which ones aren't using science!

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