In an article published in Glamour, experts warned against using tanning nasal sprays that have recently been popularized on the social media platform TikTok. The experts expressed concern that with a combined 86 million views of videos containing phrases associated with the new trend, consumers may be lured into using a product that may not be safe. They explained that tanning nasal sprays are designed to make the skin appear tanner and contain a synthetic alpha melanocyte-stimulating hormone called melanotan II, as well as ingredients such as L-tyrosine, tyrosinase, and dihydroxy methylchromonyl palmitate that may not be effective or safe. Although the products claim to stimulate melanogenesis to darken the skin, melanotan II has not been approved by the U.S. Food and Drug Administration. Further, with no regulation of the products, it may be difficult to determine their composition or concentration of their ingredients. The experts stressed that individuals may face a range of adverse effects after using the products—including an inflammatory reaction or asthma triggered by inhalation of unknown ingredients, an increased number of moles or melanoma caused by melanotan II’s overstimulation of melanocytes, and gastrointestinal or endocrine issues. Similar tanning aids can lead to side effects such as decreased appetite, nausea, acne, facial flushing, free radical formation, and premature aging. For those who still plan on tanning their skin, the experts recommended using tanning creams or lotions that gradually change the color of the outer skin layer, but avoiding regular tanning, which can increase the risk of skin cancer. However, individuals who use topical tanning products should still apply a broad-spectrum, water-resistant sunscreen with an SPF of 30 or higher.