Complex sentence: The plant does not produce enough essential oil to make production viable, however, there are various distillates of witch hazel (called hydrosols or hydrolats) that are gentler than the "drug store" witch hazel and contain alcohol.
Split into simpler sentences: The plant does not produce enough essential oil to make production viable. However, there are various distillates of witch hazel (called hydrosols or hydrolats) that are gentler than the "drug store" witch hazel and contain alcohol.