“Tresclas pro hair growth” does not refer to a single specific product, but appears to be a misremembered or generic reference to various hair growth serums like TresRich Hair Serum, Tressgro Hair Serum, or Tress Essence, which aim to stimulate hair growth, reduce hair fall and thinning, and strengthen hair follicles. These products typically contain a blend of active ingredients such as Redensyl, Anagain, Procapil, and Baicapil, which are known to nourish hair follicles, enhance hair density, and improve overall hair health and strength.