To be efficient, therefore, a propellant should have a large heat of combustion to yield high temperatures, and should produce combustion products containing simple, light molecules embodying such elements as hydrogen (the lightest), carbon, oxygen, fluorine, and the lighter metals (aluminum, beryllium, lithium).
Vitamin A - Retinyl Palmitate/ Retinol. Vitamin A is a fat soluble vitamin that is stored in our liver. It contributes to normal growth and development while keeping our eyes, skin and immune system healthy. Vitamin A plays a key role in maintaining health.
True to its name it has retinol and it is high up on the list. Yet on the label it says 'retinol propionate' when I Googled 'retinol propionate' hardly anything came up, but a search with 'retinol palmitate' showed that the latter ingredient works like 'trans-retinoic acid'.