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John Su the Science Guy

This category contains 18 posts

Common Misconceptions of Skin Care Terminology

Have you committed these “errors” before? Let us know down below! http://www.futurederm.com/2012/11/01/common-misconceptions-of-skin-care-terminology/ Thanks for all your support!

Should Niacinamide and L-Ascorbic Acid Be Used Together?

Ever wonder if vitamin C and vitamin B3 should be used together? Look no further: http://www.futurederm.com/2012/10/25/should-niacinamide-and-l-ascorbic-acid-be-used-together/ Enjoy and make sure to read the comments. Within a matter of hours, the comments just flooded in. So much to respond to! 🙂

Non-Fragrant Plant Oils vs Essential Oils

Here’s a quick post about the differences in composition between non-fragrant plant oils and essential oils! Check it out if you haven’t already. 🙂 http://www.futurederm.com/2012/10/04/non-fragrant-plant-oils-vs-essential-oils/

What is the Biology of Skin Color?

Check out this fun post that features President Barack Obama in the discussion of skin color! Enjoy! http://www.futurederm.com/2012/09/20/what-is-the-biology-of-skin-color/

Part II: Retinol Metabolism Cont’d; Retinol Degradation and Strength; Combination Use of (Hydroxy) Acids and Retinol

FAQs about Retinol In Part I, we discussed the main pathway of retinol metabolism and learned that in order to allow the skin to OPTIMALLY convert retinol into retinaldehyde, and then into tretinoin, a retinol product should have a pH value of between ~5.0-6.0. So the obvious question that is asked most often is, “Can I use retinol … Continue reading

Part I: Updated Post on the Main Pathway of Retinol Metabolism

The Main Pathway of Retinol Metabolism *Sections of this post were done on FutureDerm (http://www.futurederm.com/2012/06/28/how-do-retinoids-work/). However, I wasn’t satisfied with it because the information was incomplete. So I decided to update this post with some supplementary facts and create a series out of it. **Part I will discuss just retinol metabolism. Part II will be an extension of this topic, and will be a … Continue reading

Is Fragrance in Skin Care Good or Bad?

Ever wonder if fragrance is harmful to your skin? Look no further but here: http://www.futurederm.com/2012/05/25/is-fragrance-in-skin-care-good-or-bad/ As always, post either on the original FutureDerm page or here! Enjoy. 🙂

Why and How to Mix Sunscreens

Question: Why should I mix sunscreens? Answer: There are several plausible scenarios where mixing a sunscreen with another skin care product would yield a desirable outcome. The reasons can usually be placed under two broad categories: a cosmetic or formulary concern. A cosmetic concern would be if for example, you’d like the sunscreen to mattify more quickly or to … Continue reading

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