Tips & techniques: You don’t need to test and alter the pH of an emulsion with a few exceptions…

Welcome back to another instalment of tips & techniques! I thought I should create a separate and updated post on this topic because I see people going through all the work to test and alter pH for emulsions that are just fine on their own. As you’ll see, most emulsifiers are designed to create formulas...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

Ceramides in our skin and our products – including Ceramide Complex (updated October 28, 2022)

Way way back a while, Sarah and a few others asked about using ceramides in one of the Q&A posts. I’m sorry it’s taken so long, but there were so many things I needed to write about before we reached this point, and this potential duplication gave me a perfect opportunity to share this!  If...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

Members’ exclusive: Liposomes – introduction to liposomes and other concepts.

In the January Q&A, Derek asked: I am eagerly waiting for the cosmeceuticals e-book. A few days ago while browsing different ingredients for cosmetics, I saw ceramide liposomes and retinol liposomes. It says that they absorb more in the skin if liposomes are used. However, I can’t find any resource on the use and formulation...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

The chemistry of our skin (revised for 2018)

I’ve updated this post with interesting things I’ve learned in the past two years. The original post can be found here.  Your skin is composed of three layers – the epidermis, the dermis, and the hypodermis or subcutis. Our main focus will be the epidermis or the outer layer of our skin. I find it interesting...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe

Questions from Patreon: Retin A, retinol, and retinoids (part two)

Last Thursday, we started looking at retin A, retinol, retinoids, Vitamin A, and carotenoids, so let’s resume that fascinating topic! In the August Q&A on Patreon, Mildred asked: Question pls: Can I use a glycolic toner followed by a Retin A cream? I read a blog that these two needs to be used on alternate days but I...

You are not logged in. This content is for $3 Level, $5 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe