spray on twice a week easy peasy [SEP] the hair growth serum spray arrived in a nice package and the bottle is well made the spray bottle is also easy to assemble by twisting the spray top on per the instructions you use twice a week on dry or wet hair and you spray directly on the scalp it was quite easy to use the serum has a very nice scented smell it makes my hair smell good it is not too strong but has a pleasant smellafter giving birth to my three kids my hair has thinned out dramatically it use to be thick and full i was excited to try this to get my hair back it hasn t been a full weeks but i have noticed my hair doesn t fall out as much when i brush in the morning and after a shower i spray at night after a shower and noticed my hair had more volume and shine in the morning i m excited to see more results the expiration date printed on the package is plenty of time to use