These tests will help you to determine the ratio of oil to water in a moisturising product.
Apply moisturiser to your skin. If the skin under the moisturiser is warm, there is a greater percentage of oil in the product. If the area is cool, there is a greater percentage of water. The science behind this is that evaporation cools, and water evaporates. Oil does not evaporate and therefore traps heat in the body.
Put a small amount of moisturiser on a tissue, and hold it over a lightbulb. Products with higher oil content will melt. The wider the area of melted oil, the greater the percentage of oil in the moisturiser.
I experimented this with Olay’s Complete UV Protection Moisture Lotion SPF15 for combination/oily skin.
So there you go, a useful beauty tip from the expert herself (I meant Bobbi :P).
Another method to check the oil-to-water ratio was a good tip I picked up from Traclyn, who ran an oiliness test of a BB cream on a piece of facial blotter. I think it is another good way to check if the product is going to be too greasy for you, especially if you suffer from oily skin.
the oil blotter test is rather accurate i would say. done them quite a while back just cuz i got too much facial blotters around!
i will try this bulb tip n see! 😀 ahahah! fun stuff to do when i am not working!
this is a neat tip! my moisturizers are definitely higher in oil than water. well, I use both types!
I was just going to say I’m going to try this because I fear oil in all forms, but then I remembered my moisturizer is an oil free gel, because I’m so panicky about oil. Oops. blonde moment 😛
Plue:
Haha, it’s a good experiment to try out. Just be careful not to burn your hand on the hot bulb, yeah?
Connie:
Thankfully, mine contains more water. Skin’s too oily to have it the other way round 🙁
Renee:
Hee hee! Nah, don’t worry about it, it happens to the best of us. I get my duh-brain moments too!