First coined by Byrdie last June, blueberry milk nails have been spotted on everyone from Zendaya to Sabrina Carpenter. The fun food-meets-beauty trend originates from its creamy base that mixes in a ...

Controlling the resulting color of this chemical compound when heat ... or the more acidic the anthocyanin-laden food, the redder the hue. As the pH increases, becoming less acidic and more ...