Skincare routines described as standard have grown from two or three products to sequences of a dozen. The expansion follows the economics of the category rather than any change in skin.
Splitting a product is the cheapest growth
A brand that has sold a customer a cleanser cannot easily sell them a second cleanser. It can sell an essence, a serum and an ampoule, each positioned as a distinct step.
Separating functions that could sit in one formulation multiplies the number of items in a basket without requiring a new customer. This is the standard route to growth in a mature category.
The steps are not arbitrary, since ingredients do have different optimal concentrations and vehicles. But the number of separate products is a commercial choice, not a formulation requirement.
Steps are added far more easily than removed
Adding a product to a routine is a small decision with an immediate sense of improvement. Removing one requires deciding it was unnecessary, which is a harder judgement to make.
Because skin changes slowly and for many reasons, attributing an outcome to any single step is close to impossible for an individual observing themselves.
Routines therefore ratchet. Products accumulate, and the sequence lengthens through addition without a corresponding process of subtraction.
The routine is content before it is a regimen
A long sequence performs well as video. It has structure, visible steps, distinct textures and an ending, which a two-product routine does not.
Formats that reward demonstration therefore select for length, and the routines that circulate widely are the ones that make good viewing.
What audiences encounter as normal is consequently skewed toward the elaborate, because the plain version was never going to spread.
Multi-step traditions were imported without their context
Layered routines have a genuine history in several regional traditions, where the sequence developed alongside particular climates, water conditions and product formats.
Exported to other markets, the step count travelled while the reasoning did not, so the sequence arrived as a rule rather than as a response to conditions.
The result is routines followed identically in very different climates, where the humidity and water hardness that shaped the original practice do not apply.
Where the trend has reversed
Shorter routines have re-emerged commercially, presented as a correction and marketed on simplicity and ingredient restraint.
This is not a retreat from the category so much as a repositioning within it, since a minimal routine is still sold as a set of specific products.
The durable point underneath both is that the number of steps is a marketing variable, and that any routine's length says more about the market than about what skin requires.