I'm sure the rotten egg smell from the sulfur can be easily disguised with Wyeth's pig bladder and cream Scent Coverer, also at your local druggist.
For 75¢ a bottle the chemist had better drive his motorcar here and apply it to my scalp forthwith!
"One strand at a time"? Surely that'll go quickly.
One application banishes the gray
What, does it make the gray hairs fall out?