Demeter Fragrance Spacewalk dupe — cheaper alternatives

Demeter Fragrance Spacewalk: released in 2019, metallic, sweet and mineral, about 5h on skin, projection 5/10, sillage 3/10. The alternatives below are matched to that profile.

What's a good Demeter Fragrance Spacewalk dupe?

The closest Demeter Fragrance Spacewalk dupe we found is Demeter Fragrance Firefly — 79% match, about $20 (estimate) versus about $45 for a 100 ml bottle.

The five closest scent matches — the best Demeter Fragrance Spacewalk dupes we found, ranked by opening & dry-down similarity:

How the 5 picks compare on match, price and performance. Prices are estimates for a 100 ml bottle, not live retailer prices; * size not listed, so assumed to be 100 ml.
#AlternativeScent matchEst. price (100 ml)Longevity vs Demeter Fragrance SpacewalkProjection
1Demeter Fragrance Firefly79%about $20 (−56%)4h vs 5h4/10
2Clean Cool Cotton78%about $40 (−11%)4h vs 5h5/10
3Douglas Sea Thalasso80%about $20 (−56%)5h vs 5h5/10
4Scent Trunk Salt83%about $30* (−33%)6h vs 5h5/10
5The Body Shop Lotus Petal81%about $25 (−44%)2h vs 5h5/10
  1. Demeter Fragrance Firefly — 79% scent match

    Shares the atmospheric and outdoorsy tone of Demeter Fragrance Spacewalk, leaning into a slightly more green direction.

    It lasts about 4h against 5h and carries 253 community ratings.

  2. Clean Cool Cotton — 78% scent match

    Offers an ultra-clean, metallic-tinged freshness that mirrors the bright openness of Demeter Fragrance Spacewalk.

    It shares its fruity accords with Demeter Fragrance Spacewalk, lasts about 4h against 5h and carries 528 community ratings.

  3. Scent Trunk Salt — 83% scent match

    Captures a similar mineral-heavy atmospheric profile to Demeter Fragrance Spacewalk with clean aquatic facets.

    It lasts about 6h against 5h and carries 36 community ratings.

  4. Douglas Sea Thalasso — 80% scent match — discontinued

    Brings a salty, oceanic breeze reminiscent of the mineral qualities found in Demeter Fragrance Spacewalk.

    It lasts about 5h against 5h and carries 110 community ratings. It is listed as discontinued, so availability varies.

  5. The Body Shop Lotus Petal — 81% scent match — discontinued

    Evokes a similar aquatic floral clarity to Demeter Fragrance Spacewalk, with a gentle and refreshing botanical presence.

    It lasts about 2h against 5h and carries 51 community ratings. It is listed as discontinued, so availability varies.

Which Demeter Fragrance Spacewalk dupe is cheapest?

Demeter Fragrance Firefly, at about $20 for 100 ml (estimate) — around 55% less than Demeter Fragrance Spacewalk.

Which Demeter Fragrance Spacewalk dupe lasts longest?

Scent Trunk Salt, at about 6h on skin, against about 5h for Demeter Fragrance Spacewalk.

Which Demeter Fragrance Spacewalk dupe is closest to the original?

Scent Trunk Salt, at 83% overall scent match across the opening and the dry-down.

Demeter Fragrance Spacewalk itself sells from $27.29 (120 ml) at partnered retailers.

How much does a Demeter Fragrance Spacewalk dupe save?

At 4 sprays a day — about 146 ml a year — Demeter Fragrance Firefly saves you about $35 a year against Demeter Fragrance Spacewalk. Both priced at 100 ml; prices are estimates.

Across 2,358 originals, the median designer bottle is $120 and its closest match $30 — the Dupe Report 2026.

Will a Demeter Fragrance Spacewalk dupe last a full day?

On an 8-hour day, none of the 5 last a full 8 hours. Scent Trunk Salt comes closest at 5.9h, so it needs one re-spray to cover the day.

Demeter Fragrance Spacewalk notes, performance and price

Related dupe lists

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Updated 2026-08-26.