Best e-liquid: a reading method, not a top ten

Every year the same bottles reappear at the top of the retailer rankings. I am not saying they are bad, far from it, but a list published by a shop is a sales tool before it is an opinion. Since I stopped leaning on those lists to build my rotation, my wasted purchases have collapsed. The best e-liquid, for me, stopped being a name and became the result of reading a label in the right order.

The best e-liquid is read on the label before it is tasted

The direct answer comes in three parts. The best e-liquid for a given setup is the one whose PG/VG ratio, nicotine strength and nicotine form match the hardware that will receive it. The flavour profile comes afterwards, once that frame is in place.

A perfectly composed bottle on unsuitable hardware delivers a mediocre experience. The reverse holds too. An average liquid well matched to its system often passes for very good indeed.

That is why two people can give opposite verdicts on the same bottle without either of them being wrong. They are not really describing the same thing.

Understanding the PG/VG ratio in three minutes

Those two letters appear on every bottle sold in Britain and they decide almost everything about the result. Taking a few minutes over them removes most of the unpleasant surprises at the till.

Propylene glycol, PG, carries flavour. The more of it there is, the sharper the taste and the more pronounced the throat sensation. It also keeps the liquid very thin and quick to wick.

Vegetable glycerine, VG, is thicker and softer. It produces more vapour, smooths the throat and slightly rounds off the aromatics along the way.

In practice a ratio around 50/50 suits small restricted devices, which do not cope well with thick liquid. From roughly 70 percent VG upwards you need a more open setup with a low resistance coil, or the liquid fails to feed the wick and the result degrades immediately.

Nicotine: the form matters more than the number

This is the subject I fumbled longest as a beginner, and the one where counter advice is vaguest. Two bottles showing the same figure can feel completely different in use.

Freebase nicotine gives a throat sensation that climbs sharply with the strength. Past a certain level it becomes uncomfortable in a tight device, which is exactly where high strengths tend to be wanted.

Nicotine salts soften that sensation noticeably at an equivalent figure. They are built for small low-power devices and behave badly on hardware that produces a lot of vapour, where the same strength arrives several times over per puff.

British rules put hard edges on this. Nicotine-containing e-liquid cannot exceed 20 mg/ml and the nicotine-containing bottle itself is capped at 10 ml. That is precisely why the large 50 and 100 ml bottles on every shelf are sold with no nicotine at all, as shortfills, with nicotine shots added separately. It is not a marketing trick but a direct consequence of the regulation.

The five things I check before buying the best e-liquid for a setup

My grid fits on a note stuck inside a cupboard door. It stops me buying on the strength of a catchy name or a well designed label, which used to be most of my mistakes.

I check the PG/VG ratio against the coil currently fitted to my device, and the form of nicotine, freebase or salt, against the power I actually run. I look for cooling agents, which are frequently present and rarely announced on the front of the bottle.

I look for a manufacture or best before date wherever it is legible, and I stick to a 10 ml bottle for anything untested rather than committing to a large shortfill.

That last point cost me before I held to it. A 50 ml shortfill of a flavour you cannot stand after two days ends up at the back of a drawer without exception, and no amount of good intentions gets it used.

What the ingredient list tells you, and what it hides

Bottles sold in Britain carry a composition and mandatory warnings. Knowing what can actually be extracted from them matters, because the level of detail varies enormously between manufacturers.

The readable part is generous enough. Ratio, nicotine strength and form, volume, best before date and safety wording all appear on the label or the leaflet inside the box, alongside the manufacturer’s identity, which lets you trace a full range and stay consistent from one purchase to the next.

A batch number is there too. It serves little purpose day to day, but it lets you check whether two bottles of the same reference bought months apart came from different production runs, which sometimes explains a shift in the result.

The opaque part is the flavour itself. Nothing tells you whether a red fruit recipe is built on raspberry or strawberry. The presence and dose of cooling agents are almost never stated plainly, and they change a recipe more than most listed elements do.

That is exactly where label reading hits its limit and tasting becomes unavoidable. My compromise is to validate the technical frame on the label, then buy only small formats until the profile is confirmed.

The tempting shortcuts that wasted my money

A handful of appealing ideas circulate widely and, in my experience, mostly produce unused bottles. Worth naming them clearly.

Blending two finished liquids to invent your own recipe rarely produces anything coherent, because flavour concentrations do not add up cleanly. Buying in quantity to catch an offer assumes the taste will hold for months, which nothing guarantees in advance.

Judging a bottle on a single puff taken straight after vaping something else has no value whatsoever. The palate keeps a trace of the previous liquid for several minutes, and that is precisely what produces the contradictory reviews you read everywhere.

None of this is separable from the hardware question, which is why I keep a whole notebook on picking a device alongside this one, and why the draw you use belongs in the same conversation.

Frequently asked questions

Does a shortfill work out cheaper than a 10 ml bottle?

Per millilitre, usually yes, once nicotine shots are added. The catch is commitment: you are buying a large volume of a flavour before knowing whether it holds up over a week.

Can I use a 70 VG liquid in a small pod?

It is not advisable. The liquid is too thick to feed a high resistance coil properly, which produces a degraded result and premature wear.

How many bottles should be open at once?

Three is plenty in my use, chosen from different families. Beyond that, bottles age before they are finished.

Is a liquid that has darkened still usable?

Mild browning is normal with time and oxidation, particularly on tobacco blends. A sharp colour change accompanied by a different smell is a bottle at the end of its life.

Do nicotine shots change the taste of a shortfill?

Yes, slightly. They add PG or VG depending on their composition and therefore dilute the flavour. A freshly shaken bottle is better judged after a few days than immediately.

Building your own reference instead of following a ranking

The best e-liquid does not exist as a single product. What exists is a coherent match between a bottle, a device and a set of habits, and once you have found it the shop rankings become an inventory of new releases: useful for spotting a launch, useless for making a decision.

That is also what makes the subject worth documenting over time rather than settling once. What suits you today will not necessarily suit you in six months, which is why my flavour rotation notes keep changing and why I would rather keep a notebook than publish a fixed list of the best e-liquid on the market.

Editorial content for adult readers only. Vaping products contain nicotine, which is a highly addictive substance. Not for sale to under-18s in the United Kingdom. This article is not a buying recommendation.