What is 'SPF layering', and can this beauty trend really help protect your skin?

SPF layering involves building up layers of sun protection on the skin. Photo: AFP

While most TikTokers are currently looking for tricks to boost their tan this summer, others are reminding us of the importance of protecting ourselves from the dangers of the sun.

One new trend is "SPF layering", which involves applying several layers of sunscreen to prevent residue on the skin and ensure optimum protection.