Life Color Plus Mixing Ratios in Practice: 1:1.5, 1:1 and 1:2

Life Color Plus uses three different mixing ratios, and which one you need is decided by the service rather than by habit. Mixing a high-lift shade like an ordinary one is the most common reason a colourist concludes a product "does not work". Here are all three in one place.

The three ratios

All three are the manufacturer's own published figures.

Why 1:1 for heavy white is counter-intuitive

Less developer looks like less power. It is the opposite of what is happening.

A 1:1 mix is more concentrated in dye — there is more pigment per millilitre sitting on the hair, because you have diluted it less. On a head with very little natural pigment left to lift, concentration is exactly what you want and lift is exactly what you do not.

Why 1:2 for high lift, and why it gets missed

The superlighteners need more oxidant to do more lifting, so the ratio goes the other way — 50ml of colour to 100ml of 40 volume.

It gets missed for a predictable reason: it is the odd one out on a day when everything else you mix is 1:1.5. Muscle memory pours 75ml. The result is a shade that lifts poorly, and the usual conclusion is that the product is weak rather than that the measure was wrong.

If you do high-lift work regularly, it is worth writing the three ratios inside the colour cupboard door. It is a ten-second job that prevents a recurring, expensive mistake. More on the high-lift family in the 900 and 12 series.

What accuracy is actually worth

Two things, and only one of them is money.

Consistency. A formula recorded six weeks ago is only reproducible if it was measured then and is measured now. "About half a tube" and "a good squeeze of developer" mean different things on different days and in different hands — and when a client says their colour is not the same as last time, this is usually why, not the product.

Cost. Smaller, but real. Over-mixing means product down the drain; on a £3.49 tube and £3.65 developer the per-service waste is modest, but across a year of every service it adds up. That arithmetic is in cutting colour waste.

Mix what you need

A full tube at 1:1.5 makes 250ml of mix — considerably more than a short-hair regrowth requires. Half a tube makes 125ml, which is plenty for most root applications, and it keeps the other half for the next appointment.

Part tubes, at each ratio

Because half-tube mixing is normal on this line, it helps to have the common quantities to hand rather than working them out mid-service:

The heavy-white column is the one worth reading across, because it is counter-intuitive: a 1:1 mix uses less developer than the standard ratio, not more. Half a tube of target shade plus half a tube of natural is 100ml of colour in total — so that formula takes 100ml of developer, not 150ml.

Measure, do not estimate

A graduated bowl or a measuring beaker costs almost nothing and removes the largest source of variation in the whole service. For powder products there is also a measuring spoon at £0.81 with marks at 10, 20 and 30ml.

The habit worth building is simple: mix to the service, not to the tube. Deciding how much you need before you open anything is what makes half-tubes possible and what keeps a 160-shade range affordable to stock properly — which is the subject of stock control across 160 variants.

Formulating — part 4 of 5.
Previously: ← The developer decision
Next: When Life Color Plus is the wrong choice →

All three ratios are the manufacturer's own published figures. Prices correct at the time of writing. Professional product for salon use only.