How long does this hairline powder last?

It can last for 48 hours + under normal environmental conditions. Windproof, sweatproof and rainproof, no need to worry about the embarrassment caused by shedding.

I just need to cover very small bald spots, does the applicator looks too big for that?

The applicator measures 0.98 inch, can well covers small areas and avoids uneven application.

Will it cause more severe hair loss after use?

Made of rose pollen, no added coloring and chemical ingredients, does not clog hair follicles, safe to use, won't cause hair loss.

Does this hairline shadow powder suit for all types hair loss?

It can help conceal most types of hair loss, including hair thinning, bald spots, receding hairlines, gray roots, Blends Well with natural hair.