Dark Spots
Also known as liver spot. It is brown in colour, often seen on the cheeks and foreheads of fertile age women. The name suggests its colour is similar to the colour of the liver, however it is not in any way related to any liver failure or dysfunction. Dark spots are mainly due to improper metabolism of melanin that deposited on the skin surface and it is not easy to be removed.
Cause
1. Effect of female hormone (pregnancy, menopause or oral contraceptive pill consumption causes dark spots formation and darkening of the spots).
2. Chronic affection of UV lights (hence sunscreen protection is essential).
3. Incorrect use of skin care or cosmetic product (especially product that contain mercury which shows whitening effect during the initial period of use, subsequently it will accelerate the deposition of pigmentation, causing the formation of dark spots).
Freckles
Freckles, mainly due to dominant heredity and the increased number of melanin. It is a dark brown colored spot that is as small as sesame or a grain. Freckles are difficult to cure completely. Sun exposure will increase the formation of freckles and darken its color. Therefore it is important to avoid over exposure of sunlight. Procedures involving exfoliation and electric current might be effective in treating freckles, but the effect is temporary and freckles will reappear after a period.
Sun Spot and Age Spots
Sun spots, as the name suggested is due to continual sun exposure. It happens to exposed body parts, such as face, arms, chest, upper back or calf. Age spots also known as “sunlight keratosis”. Age spots look brown-grey or yellow in color, and it appears to be extremely dry due to keratinization. Sun spots usually appear together with age spots. Therefore, sun spots always referred to an early sign of age spots, they are both skin aging symptoms caused by prolonged sun exposure. They reoccur easily due to aging factor and prolonged sun exposure.
Nevus of Ota
It is caused by the production of melanocyte in the dermis, but it will not disappear automatically. It often seen around the eye, cheek, forehead and nose. Blue color pigmentation could be seen on the conjunctiva of the eye.
How to avoid spots
1. Use tested and approved cosmetic or skin care product, avoid using product which contain mercury.
2. Removes make-up completed, avoid using cosmetics that contain halogen or fragrance.
3. Cut down on consumption or application of food that can cause skin to become sensitive to sunlight, such as parsley, basil, celery, lemon peels, peppermint, agrimony, fig and etc.
4. Consume vegetables and fruits rich in Vitamin C (vitamin C is an antioxidant, it can inhibit the formation of melanin).
5. Avoid consumption of oral contraceptive pill, which contains female hormones.
6. Maintain a healthy lifestyle, avoid going to bed late.
7. Most importantly, avoid UV rays when you are outdoor, it is best to wear a hat, take an umbrella that is deep in colour or apply sunscreen. (Continuous sunlight protection for at least 3-6 months is essential after treatment).