Which vitamin deficiency causes pigmentation on face?

QUESTION: Which vitamin deficiency causes pigmentation on face?

ANS: Certain conditions and deficiencies can indirectly affect skin pigmentation.

Vitamin D deficiency: Inadequate levels of vitamin D may lead to increased susceptibility to sun damage, which can worsen pigmentation issues.
Vitamin B12 deficiency: Severe deficiency of vitamin B12 can cause hyperpigmentation or darkening of the skin in certain areas.
Vitamin E deficiency: Vitamin E plays a role in protecting the skin from oxidative stress. Deficiency in this vitamin may contribute to skin damage and premature aging, potentially affecting pigmentation.
Iron deficiency: Severe iron deficiency (anemia) can result in pale skin, which can make existing pigmentation issues more noticeable.

	Nutrient	Potential Impact on Skin Pigmentation
	Copper	Severe copper deficiency can cause depigmentation or loss of skin color, but this is rare.
	Folate (Vitamin B9)	Deficiency may cause changes in skin color, but direct impact on pigmentation is not well-established.
	Iron	Severe iron deficiency (anemia) may lead to pale skin, making existing pigmentation issues more noticeable.
	Vitamin B12	Severe deficiency can cause hyperpigmentation or darkening of the skin in certain areas.
	Vitamin D	Deficiency may lead to increased susceptibility to sun damage, which can worsen pigmentation issues.
	Vitamin E	Deficiency may contribute to skin damage and premature aging, potentially affecting pigmentation.
	Zinc	Deficiency can affect skin health and contribute to various skin conditions, but its direct impact on pigmentation is unclear.