Do you know why our lips have a defined look, like a pinkish or reddish outline that gives structure to our lips? It is called the vermillion border, also known as the vermillion zone, and refers to the line that separates the lips’ outer skin from the inner mucous membrane. It is the demarcation between the coloured part of the lips and the surrounding skin. The vermillion border is typically well-defined and has a distinct red or pink colour, which adds to the aesthetic appeal of the lips.
However, In Some Cases, The Vermillion Border May Undergo Changes In Colour Or Appear Abnormal. These Changes Can Be Caused By Various Factors, Including:
1. Smoking:
Prolonged exposure to cigarette smoke can cause the vermillion border to darken or exhibit a bluish tint. This is due to the toxins and chemicals present in tobacco smoke, which can affect the blood vessels and pigmentation of the lips.
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2. Sun exposure:
Overexposure to the sun’s harmful UV rays can lead to lip discolouration, including the vermillion border. Excessive sun exposure can cause the lips to become darker or develop brown spots. It is essential to protect the lips with a lip balm containing SPF when spending time outdoors.
3. Genetics:
Some individuals may naturally have darker or lighter vermillion borders due to their genetic makeup. The uniqueness of Vermillion Border Lips can be attributed to various factors, including one’s ethnicity and family history. While genetic factors cannot be altered, understanding one’s predisposition can help manage expectations and embrace individual differences.
4. Hormonal changes:
Hormonal fluctuations, such as those occurring during pregnancy or menstruation, can affect the pigmentation of the lips. Some women may notice temporary darkening or lightening of the vermillion border during these hormonal shifts.
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5. Age:
As we age, there is a natural loss of collagen and elastin in the lips, leading to thinning and changes in colour. The vermillion border may become less defined, and the lips may appear paler. Additionally, the accumulation of sun damage over time can exacerbate the ageing process.
6. Medical conditions:
Certain medical conditions can contribute to vermillion border abnormalities. For instance, vitiligo, a condition characterized by the loss of skin pigmentation, can affect the lips, including the vermillion border. Inflammation or infections like cheilitis can also lead to lip discolouration and swelling.
So now you know what that pinkish line on your lips is called.