Emollients - oils, butters, and esters

Chemistry of oils
Fatty acids
Cis and trans configurations
Mechanisms of rancidity
An in-depth look at anti-oxidants
Determining the shelf life of your lotions
Linoleic acid
Oleic acid
Gamma-linolenic acid (GLA)
Conjugated linoleic and linolenic acids (CLA)
Fatty acids: What's up with them (part one)
Fatty acids: What's up with them (part two)
Fatty acids: What's up with them (part three)

Questions about oils
Can we use oils from the grocery store?
What's the difference between moisturizing and hydrating?
Can free fatty acids penetrate our skin?
Can oils penetrate our skin?

Stuff you find in oils
Polyphenols: More in-depth information
Polyphenols: Quercetin & rutin
Polyphenols: Coumarins
Polyphenols: Caffeic acid & its derivatives
Polyphenols: Cinnamic acid
Polyphenols: Hydroxybenzoic acids
Vitamin A

Apricot kernel oil
Argan oil
Avocado oil
Babassu oil
Baobab oil
Blackberry oil
Blueberry seed oil
Borage oil
Calendula oil
Camellia oil
Carrot tissue oil
Castor oil
Chia seed oil - NEW!
Coconut oil
Cranberry oil
Emu oil
Evening primrose oil
Fractionated coconut oil
Grapeseed oil
Hazelnut oil
Hemp seed oil
Jojoba oil
Kukui nut - part one
Kukui nut - part two
Macadamia nut oil
Meadowfoam seed oil
Olive oil
Plum kernel oil - NEW!
Pomegranate oil
Pumpkin seed oil
Raspberry oil
Rice bran oil
Rosehip oil
Rosehip seed oil - NEW! 
Sea buckthorn oil
Soy bean oil
Sesame oil
Squalene (squalane)
  Updated post on squalane
Sunflower oil
  Updated post on sunflower oil
Sweet almond oil
Virgin coconut oil
Walnut oil
Watermelon seed oil
Wheat germ oil

Cocoa butter
Mango butter
Shea butter
Other butters 

The chemistry of esters
Spreadability, tackiness & greasiness
Esters & fragrances
What are PEG- esters?
What are PPG- esters?

Specific ester posts
C12-15 alkyl benzoate (aka EmEster or Crodamol AB)
Cetearyl ethylhexanoate
Cetyl esters
Di-PPG-2 myeth-10 adipate (aka Cromollient SCE)
Ethylhexyl palmitate
Glycol distearate (aka EZ Pearl)
Isopropyl myristate
Isopropyl palmitate
PEG-7 olivate
PPG-2 myristyl ether propionate (aka Crodamol PMP)
PPG-3 benzyl ether myristate (aka Crodamol STS)
Super Sterol Esters (or C10-30 cholesterol esters)

Oil & butter related downloads (PDF)

Updated oil comparison charts - NEW! 

Chemistry of oils
Chemistry of polyphenols
Other things you'll find in oils 
Butter comparison chart
Butters - more detailed information (summary of posts)

Carrier oils - more detailed information - avocado to jojoba oil
Carrier oils - more detailed information - macadamia nut to wheat germ oil

Exotic oils - more detailed information
Formulating with exotic oils