Annurca apples from Southern Italy have shown to increase hair growth due to prostanidin B2. This is a polyphenol . These extracts have shown to promote hair growth and counteract patterned hair loss, It has been shown to stimulate hair growth, hair numbers , hair weight and keratin
There are many conventional hair growth pharmaceuticals. One is finasteride and the other in minoxidil. Both have side effects whereas this apple has none.
Annurca apples act as an anti oxidant. Its metabolic activity is complex but studies have shown the effects on hair growth to be beneficial. More studies need to be done