The double cleansing method — when it helps and when it does not.

Double cleansing is a method in which an oil-based cleanser is applied first to dissolve oil-soluble residue — sunscreen, makeup, sebum — followed immediately by a water-based cleanser to remove any remaining traces. It became widely known through Korean skincare routines and has since been adopted broadly in Western skincare.

The logic is sound. The question is whether it is necessary for most people, given what a well-formulated oil cleanser already achieves on its own.

The reasoning behind it

Oil cleansers dissolve lipid-based residue: sunscreen, makeup, excess sebum. Water-based cleansers dissolve water-soluble residue: sweat, some pollutants, water-based products. The argument for double cleansing is that a single cleanser — oil or water — cannot remove both categories of debris completely, and that a two-step process ensures the skin is fully clean before serums and treatments are applied.

For the original context — dense, long-wearing makeup (foundation, concealer, eyeliner) combined with high-SPF sunscreen applied to the entire face — this argument has merit. The sheer quantity of product on the skin requires more than one pass to remove completely.

When double cleansing is justified

Heavy, long-wearing makeup. Full-coverage foundation, long-wear concealer, and setting products create a film that a single oil cleanse may not fully dissolve on the first pass. A second cleanse helps ensure nothing is being applied over a residue layer.

Very high-SPF sunscreen. SPF 50+ chemical sunscreens, particularly water-resistant sport formulas, are designed to stay on the skin under friction and sweat. A second cleanse after an oil cleanser provides additional removal confidence.

Post-exercise, heavy sweat. Sweat combined with sunscreen and environmental pollutants in a high-exertion day may justify a second cleanse for thorough removal.

Prone to congestion. Some people find that a single oil cleanse leaves a subtle residue that contributes to blocked pores. A second water-based cleanse addresses this — though the solution may also be in the formulation of the oil cleanser rather than the need for a second step.

When it is unnecessary — and potentially counterproductive

For most people in a typical day of wearing SPF 30–50 and minimal or no makeup, a single well-formulated oil cleanser removes everything it needs to. It emulsifies with water, rinses completely, and leaves no film on the skin.

The problem with routine double cleansing is the second step. A second cleanser — typically a foaming or gel formula — is almost always surfactant-based. It works by the same alkaline mechanism as any conventional cleanser. Applying it after an oil cleanser introduces the pH disruption that the oil cleanser specifically avoided.

The skin's acid mantle, which the oil cleanser left intact, is disrupted by the surfactant second step. On dry or sensitive skin, this is an active negative. On oily skin, it can trigger compensatory sebum production. The benefit of the first cleanse — preserving the acid mantle — is partially undone.

For people who want to double cleanse without the pH consequence: a second cleanse with a gentle, low-pH water-based cleanser — a mild gel or milk cleanser formulated for sensitive skin at pH 5–6 — provides additional removal without alkaline disruption. This is a more targeted version of the method.

Oil cleanser design matters

The need for double cleansing is in part a function of oil cleanser quality. Some oil cleansers do not fully emulsify — they require wiping off with a cloth rather than rinsing clean with water, which means they leave a residue. Some require significant water agitation to break down. These cleansers need a second step because they are not completing their own job.

A properly formulated oil cleanser with the right emulsifying agents rinses completely clean with water alone, leaving no film. If the skin feels clean and not tight after a single oil cleanse and rinse, there is no functional residue to remove.

The practical test

After your oil cleanse, run your fingers over the skin. Does it feel clean and comfortable, not tight? Are serums and moisturiser absorbing as normal, rather than sitting on the surface? If yes, the single cleanse is sufficient. If a routine second cleanse gives the skin a noticeably cleaner feel — or if products absorb visibly better afterward — the additional step is providing real value for your specific combination of products and skin type.

The Lux & Glo approach

The oil cleanser in the ritual is formulated to emulsify completely and rinse clean in a single step. For most users, a second cleanse is not necessary. For those who wear heavy makeup or high-SPF sport sunscreen, a second cleanse with a gentle, low-pH water-based cleanser adds removal confidence without significant barrier disruption.

The ritual is designed as three evening steps — cleanser, serum, moisturiser — not four. The oil cleanser earns the role of the single evening cleanse by doing the job completely.

The question worth asking is not "should I double cleanse?" but "is my cleanser doing its job on its own?" If it is, one step is enough.