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Amazon [amazon.com] has All-in-One Head Lice Treatment Spray, Kills Nits & Eggs, Includes Lice Spray 120ml & Nit Comb for $ 13.39 – 5% when you check out via Subscribe & Save = $ 12.72. Shipping is free with Prime or on $ 35+ orders.

Price:
$ 5.28 lower (29% savings) than the list price of $ 18
$ 4.91 lower (28% savings) than the previous price of $ 17.63