No, unfortunately, science has not evolved that much to stop hair loss instantly. it takes around 2 to 3 months to achieve a good control over hair loss and around 9 months to regain the old density.
actually, this also depends on the cause of your hair loss. there are many causes of hair loss as you can know this from the link given below
once you know the causes of hair loss in men then we can comment on how much time you will need to achieve a control over hair loss.
now let's see how much time it will take to cure or control the hair loss along with the treatment modality which will work for that.
- Telogen Effluvium- this phenomenon you may experience due to any stress, there are different types of stress as stated below. a. nutritional deficiency- correct your eating habits along with the oral supplements will cure this and it will take around 3 months to take complete control over hair loss due to nutritional deficiency. b. physical and emotional stress- in this get rid of your stressful life and within three months you will start getting control over the hair loss. you can use minoxidil and finasteride also along with it. c. trauma- any trauma to the body like surgery and accidents may cause hair loss but don't worry its usually temporary in nature it will go once trauma effect is reduced.
- androgenetic alopecia- this type of alopecia is also called as the male pattern baldness or hereditary baldness. to take complete control over this you will have to consume minoxidil and finasteride along with the supplements like biotin. these medicines will start showing its effectiveness after 3 months. but need to have some better results and early one then you can try other evidence based medicines also like PRP, MESO THERAPY, LLLT, derma-roller and other. unfortunately, in this type of hair loss, you will have to consume medicines till you want hairs on your scalp or medicines to stop working.
- complete baldness- the instant treatment for this is FUE hair transplant but you won't get instant results, it will take around 9 to 12 months for full growth, that too need good after care.