Earth Breeze dominates search visibility in Ireland for eco-friendly laundry alternatives[cite: 9]. At the same time, Smol has captured the UK subscription space and is rapidly growing its Irish customer base[cite: 9]. Both brands are heavily marketed as green alternatives to standard detergents — but they differ significantly in ingredient safety, pricing structures, and hard water compatibility[cite: 9]. We compared them side-by-side[cite: 9].

Earth Breeze and Smol laundry sheets side by side

Cost-Per-Wash: Smol Wins on Price

When analyzing raw costs for Irish delivery, Smol is the clear budget champion[cite: 9]. A standard pack of Earth Breeze costs approximately €0.22 per wash (calculated using their 60-wash package)[cite: 9].

By comparison, Smol’s standard retail price sits at approximately €0.19 per wash[cite: 9]. For users who sign up for Smol's scheduled delivery service, the price drops to an impressive €0.14 per wash[cite: 9]. Crucially, Earth Breeze does not currently offer a subscription delivery option for the Irish market, meaning buyers must pay standard flat-rate pricing[cite: 9].

The trade-off for this lower price point, however, lies in the chemical safety of the ingredients[cite: 9].

Criteria Earth Breeze Fragrance Free Smol Sensitive
EWG Toxicity Rating A (Cleanest)[cite: 9] B (Moderate)[cite: 9]
Fragrance-Free Range ✓ Standard Option[cite: 9] ✓ Part of Sensitive range[cite: 9]
Optical Brighteners None[cite: 9] None[cite: 9]
Preservative Concerns None[cite: 9] BIT (EWG C - Irritant)[cite: 9]
Cost Per Wash (IE) ~€0.22[cite: 9] ~€0.19 (~€0.14 on subscription)[cite: 9]
Irish Retail Availability Limited online[cite: 9] No retail shops[cite: 9]
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Ingredient Safety: Earth Breeze Wins

For buyers prioritizing skin health, Earth Breeze is the superior formulation[cite: 9]. The Fragrance Free sheet achieves a top-tier EWG A rating[cite: 9].

Smol Sensitive drops to an EWG B rating due to the inclusion of benzisothiazolinone (BIT)[cite: 9]. BIT is an industrial preservative rated C by the EWG because it is a known skin sensitizer associated with contact allergy flare-ups[cite: 9]. While it poses minimal risk to normal skin, those dealing with eczema, psoriasis, or washing newborn baby clothes should actively avoid it[cite: 9].

Common Grounds: Both brands use polyvinyl alcohol (PVA) as their water-soluble sheet matrix and package their products in 100% plastic-free, recyclable cardboard envelopes[cite: 9]. Neither formula utilizes synthetic optical brighteners in their sensitive variations[cite: 9].
Smol laundry sheets in packaging
Smol offers excellent convenience via its letterbox-friendly subscription, but the Sensitive range relies on BIT as a preservative[cite: 9].
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Hard Water Performance

We tested both sheets in Dublin’s hard tap water at 40°C[cite: 9]. When paired with a tablespoon of washing soda to bind mineral deposits, both sheets delivered identical cleaning results on cotton fabric[cite: 9].

On synthetic blends, Smol performed slightly better, lifting superficial stains without leaving residue[cite: 9]. Note that neither company provides hard water dilution instructions on their packaging[cite: 9].

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Final Verdict: How to Choose

  • Choose Earth Breeze Fragrance Free if: You are washing clothes for a baby, have sensitive skin, or suffer from severe eczema[cite: 9]. Its EWG A formula is free of the irritating preservative BIT[cite: 9].
  • Choose Smol if: You want a cost-effective, plastic-free solution and do not have highly reactive skin[cite: 9]. Their subscription model offers unmatched price-per-wash value[cite: 9].

Struggling with reactive skin or eczema flare-ups? Read our curated, eczema-specific laundry guide to find out which compounds you should avoid in your wash.

Eczema Laundry Guide
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FAQ

Frequently Asked Questions

Smol is the cheaper option[cite: 9]. Its standard price is roughly €0.19 per wash, which falls to €0.14 if you use their subscription service[cite: 9]. Earth Breeze costs roughly €0.22 per wash and does not offer delivery subscriptions in Ireland[cite: 9].

Earth Breeze Fragrance Free is safer[cite: 9]. It contains no controversial ingredients[cite: 9]. Smol Sensitive contains benzisothiazolinone (BIT), an EWG C-rated preservative known to trigger contact allergies in eczema sufferers[cite: 9].

Yes, Smol ships directly to Ireland via their online storefront[cite: 9]. Shipping takes about 5 to 7 business days[cite: 9]. For more details, consult our where to buy guide[cite: 9].

Sproose editorial team
The Sproose Team

Independent eco laundry researchers based in Ireland. We read ingredient lists so you don't have to — and we call out greenwashing when we see it.


Regulatory & Toxicology References

  1. Environmental Working Group (EWG) Skin Deep: Toxicity profile and allergy assessments for Benzisothiazolinone (BIT) and surrounding laundry preservatives. EWG Skin Deep Portal.
  2. Scientific Committee on Consumer Safety (SCCS): Opinion papers on the sensitization potential of isothiazolinones in consumer products and detergents. EU Scientific Committees Database.