Specific heat is the amount of heat needed to raise the temperature of a certain mass 1 degree Celsius. Heat capacity is an extensive property of matter, meaning it is proportional to the size of the system.
If you are going to use a vitamin C product, it's best to use one in a form your skin can use with the least amount of irritation. Vitamin C Stability and Effectiveness One of the bad things about Vitamin C is that it oxidizes very easily.When a C serum oxidizes, it turns yellow or orange and looses its effectiveness.f you are going to use a vitamin C product, it's best to use one in a form your skin can use with the least amount of irritation. Vitamin C Stability and Effectiveness One of the bad things about Vitamin C is that it oxidizes very easily.
Not for purists, this vitamin C serum goes above and beyond. Our Rating: 4 stars. I pondered iS Clinical Pro-Heal Serum Advance+ ($82/0.5 oz) for a while, trying to reconcile what appeared to be a vitamin C serum with claims for healing, repair, anti-acne and anti-redness. However, during my test, it turned out to do all of these and be much more than a vitamin C serum.