Some Angelenos love weed so much that they want to smell like it — even when they haven't been toking. At least, that's what Sherman Oaks-based entrepreneur Killian Wells is aiming for in his new line of cannabis scented fragrances.

Years ago, when the cosmetics retailer Sephora asked perfumer Mark Crames to create a fragrance based on the scent of cannabis, he knew he faced a formidable challenge.