Put a dew rag on whenever you wear the helmut. wash your hair from time to time. Wash the dew rag anythime it gets sweat soaked or otherwise stinks.
2nd the dew rag even if your folically challenged such as me. I actually use a little thicker skull cap and keep it washed. Helmet has a used smell but no funk so havent tried washing it. It does NOT have a removeable liner like BBob is speaking of.
2011 White Vision - Nuvi 550, Lowers, Lloydz 2nd filter, Vic perf filter, CB/Icom, 96 Brake LED's, Clear Signal lens/Switchbacks, VIC Hwy Pegs, Stebel Horn, 7Jurock 15" Shield, PCV, Lloyd ATS and Variable intake, Ness honkers
2004 V92 TC - S1 flash, level 1 slip-on, Ness big sucker K&N, ISO Grips, 4x1.5 Highway Hawg Risers, extra chrome (never too much), JM 2k CB 4' antena, Mustang seat, HD Front TS & Lowers, OD Pulley
Retired Navy SCPO