One of the better beauty investments you can make gets a tune-up with the addition of a pulsing timer and dual-speed functionality. The oscillating (not spinning, which twists skin) brush cleans skin better than your own hands and gets rid of blackheads.

Available at sephora.com, $149.

Finding each and every stray hair makes us cross-eyed. Thankfully, Sally Hansen’s bright idea — LED-lit tweezers — leaves us cleanly tweezed.

Available at target.com, $10.

Holy rollers, indeed. The miracle workers (ideal for medium to long hair) heat up quickly, stay in for ten minutes, then unveil voluminous, relaxed curls while straightening the hair at your crown.

Available at t3micro.com, $99.

Ban the word “pop” from your vocabulary and let the only FDA-cleared blue light device eliminate acne-causing bacteria from your face in about five fuss-free minutes a day.

Available at triabeauty.com, $245.

Good-bye, sinus-induced puffy eyes. Hello, quirky new apartment decor. Copywriter Hali Narins was beyond grateful to wake up hydrated — inside and out — from the spill of cool mist from the tear-shaped humidifier.

Available at crane-usa.com, $50.

The idea of electric facials seems best left to the pros — until now. The facial toning gadget leaves skin plump and glowing after five minutes; fine lines get finer with continued use.

Available at mynuface.com, $325.

For those of us without the hand-eye coordination to master a traditional curling iron, this clamp-free version is a cinch. Wrap hair around the tourmaline barrel for smooth and shiny curls that keep their shape.

Available at herstyler.com, $165.

Choose your adventure: clean, white, polish, gum care, or sensitive, then brush up your pearly whites. The most technologically advanced Sonicare to date charges when placed in the rinsing glass (hello, space saver) or via USB case when traveling.

Available at amazon.com, $186.

Commitmentphobes beware: This device is not for the casual user. Press the amber, red, and infrared lights around the face and neck for ten minutes a day for softer lines in a couple of months. Results get even better with repeated use.

Available at macys.com, $249.

Even though it doesn’t pack the punch of its full-size counterpart, the mini Sedu dries longer hair in about ten minutes — much faster than the average hotel bathroom contraption.

Available at neimanmarcus.com, $80.

Classic eyelash curlers remind intern Caroline Hallemann of a medieval torture device, so she heated up her beauty routine with a battery-operated version. Sweep lashes, after mascara application, from root to tip for a long-lasting curl.

Available at sephora.com, $16.

Purportedly, the wired contraption fills in fine lines around the corners of your eyes with hyaluronic acid delivered via sticky patches and a microprocessor. Once we were prepped and the patches were properly adhered, we felt a tiny bit of tingling but eventually forgot we had them on. The result: a taut, wide-eyed glow.

Available at hsn.com, $100.

We of curly hair polled our friends and then borrowed half a dozen flat irons to test. The Chi Air proved the best. According to copy chief Allison Hatfield, “It’s strong enough to smooth my locks yet light enough not to give me early stage arthritis. Even my hairdresser was impressed.”

Available at bedbathandbeyond.com, $100.

It wasn’t comfortable, and we slobbered all over our lab coat (sweatshirt), but the glaring light brightened our coffee-stained canines by a couple of shades in a quick 30 minutes. We didn’t think it possible, but it’s true.

Available at gosmile.com, $198.

Keen on a loud fan to drown out noisy neighbors and NYC traffic, Web editor Jennifer Jackson was skeptical to try a sound-therapy machine — until she awoke eight hours later. The sounds of Jupiter (straight from NASA) and chirping crickets lulled her brain into delta-wave territory.

Available at brookstone.com, $100.

At first glance, the kit’s tube, buttons, and tips almost made Deals editor Larkin Clark reach for a loofah. Once she got the hang of it though, sloughing off dead skin was as easy as press and repeat. “Just move the diamond tip across your neck and face in short strokes, and exfoliated debris is sucked back into the filter.”

Available at qvc.com, $165.

Keep skin cancer paranoia at bay with SpotCheck, an easy-to-use app that identifies suspicious-looking moles. Snap a photo with your iPhone, submit it, and within 24 hours, a certified dermatologist gives you the outcome. If results seem atypical, the app uses your phone’s GPS to suggest a doctor nearby.

Available at itunes.apple.com, free to download; $5 for each submission.

The rechargeable callus remover is sleek enough to leave on your bathroom counter but tough enough for street-beaten feet. Everywhere editor Tiffany Davis used it on her winter-weary heels and said it “breathed new life into an outdated pedicure.”

Available at ansr.com, $120.

For curls a mermaid would envy, set difficult-to-style locks with these clamshell-looking contraptions made of ceramic tourmaline.

Available at ulta.com, $100.

Zapping armpits with the at-home laser wasn’t as scary as we thought it would be. The electrical current feels like a tiny spark landing on the skin, and the whole process lasts only about ten minutes (although final results won’t show for another several treatments over six months or so).

Available at triabeauty.com, $395.