EirHorse – E-Liquids, Shortfills & DIY Components (Ireland)

EirHorse is an Irish-developed e-liquid brand established in 2013, focused on controlled formulation, ingredient transparency, and long-term batch consistency. The range includes 10 ml e-liquids, high-VG shortfills, and DIY components intended for adult users in Ireland.

Scope note: Technical and educational content for adult users. No sales messaging, no medical advice, and no smoking cessation claims.

Formulation Philosophy & Analytical Background

EirHorse products are developed with an emphasis on formulation discipline rather than short-term flavour trends. Internal documentation focuses on ingredient traceability, repeatability between batches, and controlled handling practices.

During early brand development, selected EirHorse samples underwent analytical evaluation using GC-MS (Gas Chromatography–Mass Spectrometry) in an academic laboratory environment at Trinity College Dublin. This supported internal verification of formulation transparency at the development stage.

Clarification: This analytical work does not constitute certification, approval, or endorsement by Trinity College Dublin.

Ingredient Framework

• Propylene Glycol (PG) – food/pharmaceutical grade (E1520), used as a flavour carrier and viscosity controller.
• Vegetable Glycerin (VG) – plant-derived glycerol (E422), contributing to vapour density and mouthfeel.
• Nicotine – where applicable, handled at controlled concentrations in line with regulatory limits.
• Food-grade flavourings – selected to align with applicable EU regulatory expectations.

Formulation note: EirHorse formulations are developed without the intentional use of diacetyl, acetoin, acetyl propionyl, or related diketones, in line with modern supplier specifications.

EirHorse Product Formats (Confirmed Ratios)

EirHorse 10 ml E-Liquids

• Ratio: 70PG / 30VG
• Best match: low-power MTL setups
• Typical coil range: 0.8Ω – 1.6Ω

EirHorse Shortfill E-Liquids

• Ratio: 70VG / 30PG
• Best match: sub-ohm / higher power setups
• Typical coil range: 0.15Ω – 0.5Ω

EirHorse DIY Components

• Pre-mixed PG/VG base blends
• Pharmaceutical-grade VG (99.5%)
• Super-pure Propylene Glycol (PG)
• Optional additives: sweetener, cooling agent, fruit elixir
• Flavour concentrates across multiple families (tobacco, mint/menthol, fruit, dessert, beverage)

EirHorse Compatibility Matrix (Product → Device)

Storage & Stability (Oxidation, Colour Change, and Prevention)

In 2026, users often search: “Why did my e-liquid get darker?”. In most cases, this is consistent with oxidation/ageing, especially for nicotine-containing liquids. Oxidation can be accelerated by light (UV exposure), heat, and repeated oxygen exchange (frequent opening and headspace air).

• Store cool and stable: aim for 15–20°C where practical; avoid hot cars and radiators.
• Store dark: keep away from direct sunlight; opaque storage helps slow photo-oxidation.
• Seal tightly: reduce oxygen exchange to slow ageing and evaporation.
• Minimise moisture uptake: PG is hygroscopic; avoid leaving bottles open to air for extended periods.

Practical reassurance: Colour change alone does not automatically indicate that a product is defective. It is typically a sign of chemical ageing and storage conditions.

DIY Mixing & Steeping (Maturation) – Recommended Times

For DIY users, steeping (maturation) supports homogenisation of flavour compounds within the base and improves repeatability between batches.

Regulatory & Safety References (Ireland & EU)

For official definitions, limits and safety notices, consult Irish and EU public sources. External references are provided for transparency and consumer education.

• Irish Statute Book — S.I. No. 271/2016 (TPD implementation in Ireland)
• Health Service Executive (HSE) — vaping information (public health guidance)
• European Chemicals Agency (ECHA) — CLP regulation (chemical classification, labelling, packaging)

Frequently Asked Questions (FAQ)

How to steep EirHorse DIY mixes?

Mix thoroughly, store sealed away from light, and allow the flavour family’s recommended maturation window. Shake gently every 1–2 days for repeatability.

Why did my EirHorse liquid change colour?

Colour change is commonly associated with oxidation/ageing, especially in nicotine-containing liquids exposed to light, heat, or oxygen exchange. Cool, dark, sealed storage helps slow further change.

What devices work best with EirHorse 10 ml (70PG/30VG)?

MTL pod systems and MTL tanks using coils around 0.8Ω–1.6Ω typically provide stable wicking and predictable low-power performance with higher-PG liquids.

What devices work best with EirHorse shortfills (70VG/30PG)?

Sub-ohm tanks or higher-power pod systems using coils around 0.15Ω–0.5Ω typically perform best with higher-VG liquids due to larger wicking ports and higher wattage ranges.

Legal notice (Ireland): Sale of vaping products to persons under 18 years of age is prohibited by Irish law.

Nicotine notice: Nicotine is an addictive substance.

Intent disclosure: This page provides technical and educational information only.