I just stumbled upon a very cool website on skincare ingredients by the name of Phoebe’s Ingredients.  It consists of quite a bit of products in the market and the ingredients those products contain.  On top of that, it even rates how well or how bad the product performs in terms of anti-aging, antioxidant, anti-inflammatory, hydrating, whitening, exfoliating, drying, irritating and comedogenic going by their ingredient listing.

Overview:
- neutral, colourless, thick liquid which freezes to a thick paste
- powerful degreaser and a natural by-product of soap making
- make the bubbles in bubble bath last longer
- skin-friendly humectant which attracts water to the skin
- provide lubrication and acts as a humectant
- natural remedy for yeast and fungal infections
- highly stable under typical storage conditions
- compatible with many other chemical materials
- virtually non-toxic and non-irritating in its varied uses
- natural glycerin are naturally derived from vegetable oils
- synthetic glycerin are produced from propylene alcohol
- (propylene alcohol is a petroleum derivative)

Overview
- an active ingredient derived from fruit acids
- may be naturally occurring or synthetic
- common AHAs include: 
   > glycolic acid from sugar cane
   > lactic acid from milk
   > citric acid from citrus fruits
- less common AHAs include:
   > malic acid from apples 
   > tartaric acid from wine
- helps exfoliate the top layers of the epidermis
- helps penetration of other ingredients
- promotes moisture restoration 

Purported skin care benefits when applied topically:
- reduces superficial fine lines
- reduces irregular pigmentation and age spots
- reduces large pores
- smooths and firms skin
- removes blemishes
- helps skin look fresher, radiant and more luminous

Overview
- the only useful form of vitamin C in skin care products
- a potent antioxidant proven to stimulate the synthesis of collagen 
- strengthens the capillaries and cell walls
- protect both beta-carotene and Vitamin E from oxidation
- easily absorbed by the skin and can stay for up to 72 hours
- is unstable and oxidize rapidly
- not capable of absorbing the sunlight 
- must be used with a sunscreen