The Ordinary have a LOT of products - here are the best and worst of the direct acids, retinoids, vitamin C, niacinamide, cleansers, moisturisers and sunscreens (in my opinion).

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Free exfoliation guide https://labmuffin.com/free-guide
Study on retinoid stability: https://onlinelibrary.wiley.com/doi/abs/10.1111/jocd.13852
Blog post with more info here: https://labmuffin.com/best-and-worst-of-the-ordinary-part-1-with-video/

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Lab Muffin Beauty Science is a channel by me, Michelle - I'm a chemistry PhD and beauty lover, here to explain how beauty products work, debunk myths, and help you make smarter decisions about your skincare, hair and makeup!

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Want smooth, glowing skin? Grab a copy of my FREE Essential Guide to Exfoliation! https://labmuffin.com/exfol
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----PRODUCTS MENTIONED---- (affiliate links)
Lactic Acid 10% + HA: https://go.shopmy.us/p-2044249
Glycolic Acid 7% Toning Solution: https://go.shopmy.us/p-2044238
AHA 30% + BHA 2% Peeling Solution: https://go.shopmy.us/p-2044239
Retinol 0.5% in Squalane: https://go.shopmy.us/p-2044241
Granactive Retinoid 2% Emulsion: https://go.shopmy.us/p-2044242
100% L-Ascorbic Acid Powder: https://go.shopmy.us/p-2044243
Vitamin C Suspension 23% + HA Spheres 2%: https://go.shopmy.us/p-2044244
Ascorbyl Tetraisopalmitate Solution 20% in Vitamin F: https://go.shopmy.us/p-2044250
Niacinamide 10% + Zinc: https://go.shopmy.us/p-2044236
100% Niacinamide Powder: https://go.shopmy.us/p-2044251
100% Cold Pressed Virgin Marula Oil: https://go.shopmy.us/p-2044252
100% Organic Cold Pressed Rose Hip Seed Oil: https://go.shopmy.us/p-2044254
100% Plant-Derived Squalane: https://go.shopmy.us/p-2044255
Squalane Cleanser: https://go.shopmy.us/p-2044253
Natural Moisturizing Factors + HA: https://go.shopmy.us/p-2044258
Azelaic Acid Suspension 10%: https://go.shopmy.us/p-2044256
Mineral UV Filters SPF 30 with Antioxidants: https://go.shopmy.us/p-2044259

----RELATED POSTS AND VIDEOS----
Free exfoliation guide https://labmuffin.com/free-guide
Deciem Chief Scientific Officer and@drdavinlim interview https://youtu.be/M45n8w1gukk
How to fix dry and dehydrated skin: https://youtu.be/vwpvk9l10zc
The science behind my favourite skincare acids: https://youtu.be/YVjsYXY7yCI
All about exfoliation: https://youtu.be/KaAsprf2fJY
Skincare ingredients tournament: https://youtu.be/sShqBTZEEXw
Answering vitamin C questions: https://youtu.be/8C1E8j685-M
The Ordinary Powders: https://youtu.be/-q2fQ70aXuU
Busting retinoid myths: https://youtu.be/GLfiGlnwdhk
Easy DIY vitamin C serum: https://youtu.be/0JXu3_WHM08
My current skincare routine: https://youtu.be/ULIv4Pk0B7g
Blog post for this video with more info: https://labmuffin.com/best-and-worst-of-the-ordinary-part-1-with-video/

----SKINCARE GUIDE----
The Lab Muffin Guide to Basic Skincare is here! Find out more: https://labmuffin.com/skin