Which of the following hormones is responsible for stimulating the production of melanin in the skin?

A Adrenocorticotropic hormone
B Melanocyte-stimulating hormone ✓
C Thyroid-stimulating hormone
D Growth hormone

Explanation

Melanocyte-stimulating hormone is a hormone produced by the pituitary gland that stimulates the production of melanin in the skin, resulting in skin darkening.

Mnemonic

MSH = Make Skin Hyper-pigmented

Source

Berne and Levy Physiology
Hormones and Endocrine Markers Endocrinology Pituitary Hormones Easy MEDICAL Confidence: high