Pennslyvania-based board-certified dermatologist Erum Ilyas tells Allure that single-blade razors like this are great for sensitive skin types or anyone who has a tendency for ingrown hairs. "With a single blade, the likelihood of ingrown hairs is reduced," she says.
Double-edge safety razors are also more environmentally friendly because the blades can be recycled easily as plain metal (and of course cheaper to buy too).
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Why I'm Never Going Back to Multi-Blade Razors Again#
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The Hanni Weighted Razor has shown me the power of the single-blade razor.
