We recommend the product and filter below.
1 6

Scentra™ Starter Kit

Scentra™ Starter Kit

Requires Alen air purifier (sold separately).

Start your Scentra journey with a Scentra diffuser and two starter scents: REST (Lush Lavender + Vanilla) and FOCUS (Green Tea + Lime Leaf).

$29.99
$29.99
Vegan friendly

Vegan friendly

Clean ingredients

Clean ingredients

Leaping Bunny Certified

Leaping Bunny Certified

The Starter Kit includes one Scentra diffuser and two starter scents: REST and FOCUS.

Clean ingredients

Scentra will only ever improve the health benefits of your air. Our formulas are free from harmful additives like phthalates, parabens, eugenol, and formaldehyde. Scentra scents are also Prop 65 and Leaping Bunny certified.

Duration

Each Scentra cartridge lasts 20-30 days with purifier set to AUTO, depending on room and purifier size. Scentra works best in rooms up to 400 sq. ft.

Scentra is a research-backed fragrance technology engineered to improve your wellbeing. Grounded in neuroscience, our advanced, mood-shifting formulas combine with air purification to rethink what air can do for you.

The Scentra collection is the result of decades of research by the Health & Wellbeing and Sensory Centre of Excellence, Based in Ashford UK, into how scent affects the way we feel. Using advanced brain mapping, real-time testing, and mood-matching visuals, each scent has been carefully designed to evoke a specific emotional response.

View full details

Breathe in, chill out

Formulated to promote rest and relaxation, REST scents enhance purified air to help you wind down and sleep deep.

This scent is great for:

• Better, deeper sleep

• Self-care spa days

• Afternoon naps

• Meditation practices

Find your flow state

Formulated to help keep you in the zone, FOCUS scents combine with purified air to help you dial in, whether you're tackling a to-do list or tapping into your creative flow.

This scent is great for:

• Working from home

• Craft night

• Creative routines

• Sunday resets

Set up in seconds

1. Choose a scent

Insert the cartridge into your diffuser.

2. Attach to your Alen

Easily snap onto the purifier.

3. Feel the difference

Sit back and enjoy your air. Easily adjust intensity to your liking with the diffuser's slider.

More Scentra

Explore a few of our favorites. Requires Scentra diffuser (available in the Starter Kit).

New BALANCE

Bergamot + Amber Refill (3-pack)

This relaxing blend of lavender, sage, and vanilla helps you fall asleep faster and wake up feeling more refreshed.

SHOP NOW
New ROOT

Pine Mist + Moss Refill (3-pack)

This forest-inspired blend of pine, moss, and cedar brings the great outdoors inside, so you can turn any room into a wild, sensory escape.

SHOP NOW
Scentra by Alien 3 scent cartridges and a package RENEW

Sunlit Violet + Lemon Refill(3-pack)

This empowering blend of lemon, violet, and orangewood flower uplifts and renews so you can reach a more blissful, optimistic state.

SHOP NOW

Customers also bought

SEE SCENTRA IN ACTION

FAQs

Can I purchase the diffuser separately? 

The diffuser is currently only available as part of the Scentra Starter Kit

Do I have to buy the Scentra Starter Kit?

Yes. To use the product, you’ll need a diffuser, which is only available as part of the Scentra Starter Kit.

Is a diffuser required to use the product?

Yes. A diffuser is required, and it’s currently included exclusively in the Scentra Starter Kit.

Which purifiers is Scentra compatible with?

Scentra is compatible with all Alen air purifiers!

How long does a scent last?

Scentra scents typically last 20-30 days with purifier set to AUTO, depending on room size and purifier size.

How do I control scent intensity?

Open the Scentra to increase intensity, and close for less intensity. Always adjust intensity with the dispenser; do not lower purifier fan speed to adjust intensity as that may compromise purification.

How do refills and subscriptions work?

You can order Scentra refills as you need them, or sign up for a subscription to have them automatically delivered at a cadence that works for you. Plus, you'll save 10% on every refill when you subscribe!

Shipping and return policy

If for any reason you're not satisfied with your Scentra purchase, we offer free returns within 7 business days of delivery. Visit Scentra™ Warranty & Returns Policy for more information on our return policy.