beauty picks.

if you've noticed the smiles on the usually disgruntled subway riders, it can only mean one thing: springtime in the city. get ready for sandal season, find a small wonder and get green with envy with this list of beauty picks:

back in black.
diddy knows a bit about sexy. so it's appropriate that his latest scent, sean john unforgivable woman black ($65-$75), is a seductive blend of iris, coconut milk, orange flower, patchouli and sandalwood. limited edition, this glossy black bottle comes complete with a faceted pendant. 475 fifth avenue. at 41st. 212.220.2633. www.seanjohnfragrances.com


get the blues.
escape to great skin with blue lagoon, iceland's latest import. launching exclusively at saks this month, the line uses natural and active elements including silica, minerals and algae that are found only in the blue lagoon. try the light foaming cleanser ($65). it also does double duty as a gentle eye makeup remover. available at saks fifth avenue. 611 fifth avenue. at 49th. 212.753.4000. www.bluelagoon.com


brides-to-be.
you'd be a fool to test out your makeup colors on your wedding day. instead, experiment with the hottest bridal trends at the wedding salon event ($75 for two). metamorphosis, you...only better and my hair & make up will be giving mini makeovers while you sip cocktails. and you won't leave empty handed: all brides will receive a luxe gift bag worth $500. april 21st. gotham hall. 1356 broadway. at 36th. purchase tickets at www.weddingsalon.com


green with envy.
celebrate earth month beautifully with chantecaille protected paradise compacts ($90). avail in shades for eyes and face, the delicately embossed compacts glam you up while five percent of proceeds go directly to marine conservation. available at space NK. 99 greene street. between prince and spring. 212.941.4200. www.spacenk.com


sandal season.
it's official. sandal season has arrived. get those toes in shape with the dashing diva roses & lemon aid spring pedicure ($65). the deep cleansing and skin softening treatment makes pounding the pavement a bit more pleasant. 41 east 8th street. between university and greene. 212.673.9000. www.dashingdiva.com


small wonder.
what's six inches long and less than two inches wide? get your mind out of the gutter. it's the warren- tricomi mini flat iron ($90). tiny enough to tuck into the smallest handbag, this wee wonder heats up quickly and tames bangs and ends in an instant. 16 west 57th street. between 5th and 6th. 800.457.2292. www.warrentricomi.com


all night long.
sleeping beauties will appreciate the new prescriptives good in bed restoring night moisturizer ($65). this lush cream moisturizes skin and imparts a subtle radiance, thanks to the inclusion of tanning agent DHA. available at bergdorf goodman. 754 fifth avenue. between 57th and 58th. 212.753.7300. www.prescriptives.com


good head.
you've loved their downtown location for professional blowouts, and now blow styling salon comes uptown. the space is simple, the staff is friendly and you'll leave feeling like a model with pin straight locks or a wavy 'do. 843 lexington avenue. between 64th and 65th. 212.452.0246. www.blowstylingsalon.com


private dancer.
it's not quite a private bungalow at chateau marmont, but the east coast location of joanna vargas is worth the visit. this celebrity fave uses all organic prods and a unique micro-current technique in her signature anti-aging triple crown facial ($250). 501 fifth avenue. at 42nd. 212.949.2350. www.joannavargas.com