As you can see, the greatest climate change during the year comes between the summer and winter months. In places like Kahului, Maui, the decline in temperature is as much as 10 degrees Fahrenheitâdropping from an average temp of 79.2 in August to a chilly (for Hawaii) 68.9 average in January.
Vitamin C, in the form of L-ascorbic acid, has anti-inflammatory effects that act specifically on the blood vessels which can reduce redness and irritation of the skin. Vitamin C can also control the release of histamine, a chemical that dilates the blood vessels during an allergic reaction. Because it can reduce redness and prevent excess blood flow to the skin, vitamin C may be beneficial in controlling the swelling and redness associated with rosacea.
One way to use lemon juice with Rosacea is to apply it on your skin before bed. This way it has a chance to work overnight. Many people have had success with this method. The lemon can make your skin more acidic. This can help with your Rosacea and help your skin get back to its normal color. You need to make sure you do not overuse the lemon or that might end up hurting your skin in the end.