Rosehip oil is extremely high in essential fatty acids and is known to help treat dry, irritated, weathered skin. It is also suitable for treating burns, scars and stretch marks.
There have been some reports that it can aggravate acne, but since it is mostly used to counter ageing this shouldn't be a problem.
ESSENTIAL OIL SAFETY CHART
N = No Precautions found in the literature surveyed
P = Avoid during pregnancy
D = Do not use if you are diabetic
S = Could possibly irritate or sensitize delicate skin
E = Do not use if epileptic
H = Avoid if you have high blood pressure
V = May cause sun sensitivity for up to 24 hours