Ferulic acid o loʻo i ai lautele i totonu o laʻau masani, faʻatasi ai ma le igoa vailaʻau 4-hydroxy-methoxycinnamic acid. E maua i vailaʻau faʻaSaina eseese e pei o Angelica sinensis, Ligusticum chuanxiong, Equisetum, ma Cimicifuga i plants. Ferulic acid ei ai le lautele lautele o fusi o alaleo o meatotino antioxidant, e mafai ona taofia le gaioiga o melanocytes ma tyrosinase, ma e anti maanuminumi, anti-matua, paʻepaʻe, anti-inflammatory ma isi effects.It e faʻaaogaina lautele i oloa sunscreen.