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Nutrafol's Strengthening Duo combines a 1-month supply of clinically proven hair growth supplements with advanced marine collagen peptides to target hair thinning and aging. Designed for daily use, this dermatologist-recommended formula delivers visible results in 3-6 months by improving hair thickness, length, strength, and scalp hydration.


| Manufacturer | Nutrafol |
| Item model number | 866721000169 |
| Package Dimensions | 24.79 x 18.69 x 11.1 cm; 984.3 g |
| ASIN | B09R83QFWK |
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