13 in. Silky blonde balayage, naturally straight hair

Silky, naturally straight, honey blonde hair. Washed every 3 days with Pantene Pro-V shampoo and conditioner. Hair remains very straight, in all climates/temperatures. I don’t blow dry. Hair is curled once a month or less, using heat protection spray. I have never smoked, done drugs, or drank alcohol. Dyed once by professional using balayage technique in June 2022. Multivitamin taken everyday. Video upon serious inquiry.