The most sensitive part of the face is generally considered to be the nasolabial fold, followed by the malar eminence (cheekbone area), chin, forehead, and upper lip. However, the skin under the eyes is also exceptionally sensitive due to its thinness.
Factors Contributing to Facial Sensitivity
Several factors contribute to the varying sensitivity across the face:
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Skin Thickness: The skin under the eyes is significantly thinner than skin in other areas, making it more susceptible to irritation and damage. This explains its vulnerability to dark circles, puffiness, and wrinkles. (Source: The Under Eye Area: Why the Most Sensitive Part Of Your Face ..., So far, so familiar. But the skin underneath our eyes is particularly sensitive, more so than many might realise. It's much thinner than the rest of our skin and that's why it's so prone to dark circles, puffiness and wrinkles.)
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Nerve Density: The nasolabial fold and other areas mentioned above likely have a higher concentration of nerve endings, increasing their sensitivity to touch, temperature, and other stimuli. (Source: The Prevalence of Sensitive Skin - Frontiers; The Prevalence of Sensitive Skin - PMC)
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Product Usage: Women tend to use more products on their faces, potentially increasing the likelihood of irritation and sensitivity in certain areas. (Source: The Prevalence of Sensitive Skin - PMC)
Different Interpretations of "Sensitivity"
The question's ambiguity allows for different interpretations of "sensitivity":
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Sensory Sensitivity: This refers to the density of nerve endings and the responsiveness to touch, temperature, and pain. In this context, the nasolabial fold and surrounding areas appear most sensitive based on available research.
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Reactivity to Irritants: This involves how the skin reacts to external factors like skincare products or environmental irritants. While the under-eye area is extremely delicate and thin, making it prone to irritation, the nasolabial fold's high sensitivity to stimuli could also make it more reactive.
