Name: Tower 28 SOS Daily Rescue Facial Spray
Brand: Tower 28

A hypochlorous acid spray — the same antimicrobial chemistry used in medical wound care. Good for acne-prone skin, eczema flares, post-shave, post-workout. Not a substitute for a treatment serum; a useful topical peacekeeper.

The verdict

What this is good for

✓ Great forsensitiveAcneRednessDamaged Barrier

The formulation

Ingredient stack

Each ingredient is listed in descending concentration. Above the 1% line the order is regulated — below it, brands can list in any order.

This is a short, simple formula — every ingredient shown is likely dosed above 1%.

~50–80%Electrolyzed W…

~5–25%Sodium Chloride

~3–10%Hypochlorous A…

position-estimated %

When to use

Routine placement

Morning or evening

Cheaper alternatives

Looking for a dupe?

The closest active-matched alternative is the The Ordinary Azelaic Acid Suspension 10% (50% active overlap). We found 4 options that share this product’s hero actives.

Dupe guide

See all treatment dupes for this product

Ranked by ingredient overlap, with an honest note on what’s different in each.

Next steps

Put this in context

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Reverse dupe

What this is a dupe for

Pricier same-category picks this stands in for — it shares at least one hero active with each. Tap any for the full ingredient breakdown.

dupesDifferinAdapalene Gel 0.1%50% active overlap dupesBiodanceBio-Collagen Real Deep Mask50% active overlap dupesPaula's ChoiceClinical Azelaic Acid Booster50% active overlap dupesMedicubeCollagen Night Wrapping Mask50% active overlap dupesPuritoHypochlorous Acid Rescue Spray50% active overlap dupesLaneigeLip Sleeping Mask50% active overlap

See the full breakdown (6) →

Head-to-head

Compare this with…

Same-category picks that share at least one hero active — see ingredients, price and who each suits, side by side.

vsBiodanceBio-Collagen Real Deep Mask50% active overlap vsCeraVeAcne Control Gel (2% Salicylic Acid)50% active overlap vsCOSRXCentella Blemish Cream50% active overlap vsDifferinAdapalene Gel 0.1%50% active overlap vsLaneigeLip Sleeping Mask50% active overlap vsMedicubeCollagen Night Wrapping Mask50% active overlap

Showing the 6 closest of 10 comparisons.

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Skin Stacker is independent and receives no payment from any brand. Ingredient analysis is based on publicly disclosed INCI lists and the peer-reviewed literature. Formulations change — always re-check the label on your specific batch before using.