Carrot oil (more precisely carrot seed oil) contains a lot of carotene, which has a skin-healing effect. Carrot oil is always in a carrier oil (i.e. diluted), because it is too intense on its own. Contains a lot of vitamin A. Carrot oil has a natural SPF of about 40, but because it is diluted, it stays around 10.
Aloe vera has been used in folk medicine for centuries. Aloe is a very good skin moisturizer and relieves irritation, so it is also great for sunburn. Aloe has a soothing effect and carries oxygen to the skin. Makes the skin silky soft.
Orange essential oil is mostly used as a product fragrance - with a fresh, sweet lemon scent. Essential oils are able to penetrate the skin. Gives an immediate uplifting, energizing feeling. Citrus fruits are good for brightening the skin.