Hi, there are many possible causes of hair loss. Male pattern hair loss can certainly start at age 23. Often there is a family history of hair loss and there is gradual thinning of the hair, mainly over the front and top of the scalp, while the hairs on the sides are spared.
There is usually no increase in hair fall in male pattern hair loss. If you notice increased hair fall or dropping of hair, this may not be due to male pattern hair loss but other underlying causes. In general, if there is hair fall of over 100 strands of hair a day, this is abnormal and may be due to a condition called telogen effluvium or underlying medical problems.
There are effective treatments for male pattern hair loss like minoxidil and oral finesteride. Treatment should be started early. I would suggest that you see your doctor or dermatologist to get a proper assessment and treatment of your hair loss.