NEWS / Column

"Recommending What Suits Your Skin" Is Outdated — Introducing Gap-Driven Diagnosis

KAIAN R&D TeamPublished: May 22, 2026

"You have dry skin. So here's a moisturizing product." This is the typical flow of most AI skin diagnosis apps. It seems reasonable on the surface — but a fundamental limitation hides within.

The Old Paradigm: Limits of Matching-Type Recommendation

An approach that "recommends what suits your skin" can fundamentally only propose maintaining the status quo. Dry skin gets moisture. Oily skin gets sebum control. This simply returns "what fits you today" without ever asking: "Where do you want to be in three months?"

Conventional: Matching-based Current skin Seemingly suitable products → Maintains the status quo KAIAN: Gap-driven Current 7/10 Ideal 9/10 ↓ Gap: 2 pts Ingredients that close the gap → Toward your goal

KAIAN's Gap-Driven Diagnosis

What we've built is a fundamentally different design philosophy, in three steps. ①Current Score (image analysis quantifies 5 axes), ②Ideal Score (set your 3-6 month goal), ③Gap Visualization (the difference becomes an "improvement vector," and ingredients to bridge that gap are recommended).

Texture Pores Unevenness Dryness Tone Current score Target score

Understanding with a Concrete Example

Say your current dryness score is 7/10 and your ideal is 9/10. A matching-type system simply suggests "moisturizers." Gap-driven diagnosis is different — it asks what is needed to close that 2-point gap. If surface moisturizers can't reach the issue, perhaps your barrier function needs rebuilding with Ceramide NP/NS/AP. If turnover is stalled, Niacinamide may be the answer.

Why Top 5 Ingredients?

Skin concerns are rarely single-issue. A single ingredient seldom resolves everything. KAIAN designs for multi-ingredient synergy, presenting the top 5 by priority. Not too many, not too few — optimized as a unit that translates into actual formulation design.

From "What Suits You" to "What Transforms You"

This shift redefines the very purpose of skincare. Not maintenance, but reaching a goal. Not passive care, but active improvement. The next article introduces how this change is sustained continuously — through the longitudinal score system.

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This article is reference information about cosmetic ingredients and does not guarantee efficacy. Figures and test results vary by condition.
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