The old language of pore care was severity. Strip more. Scrub harder. Dry the skin until shine surrendered. The MARSEL KEI Daily Gel Cleanser was conceived in another direction: a soft gel that lifts away the day while respecting the barrier that gives skin its calm, polished luminosity.
A cleanser has a different job from a leave-on treatment. That distinction matters for honest science. Rinse-off products spend less time on the skin, so ingredient studies performed with leave-on formats cannot be borrowed as if they were finished-cleanser clinical results. The right claim territory is therefore gentle cleansing, skin feel, freshness, and the look of clearer, less congested pores. It is not an acne treatment claim.
The foundation is the cleansing system. Sugar-derived and amino-acid-derived surfactants are selected for a softer cleansing profile than the traditional high-foam, high-stripping approach. The goal is to lift makeup residue, excess oil and impurities without leaving the tight, squeaky finish that often signals barrier disruption [4,5]. Skin does not become clearer by being bullied. It becomes clearer when cleansing removes what does not belong while preserving the conditions that let the barrier recover.
The pore-care story begins with what a blackhead actually is. A blackhead is an open comedone: a pore in which sebum and keratinized debris have accumulated. The dark cap is oxidized debris and melanin — pigment, not dirt. That is why antioxidants and gentle keratolytic support make conceptual sense alongside cleansing. The formula direction brings together willow bark, gluconolactone, green tea, zinc and fruit enzyme ingredients, each occupying a different place in that story.
Willow bark is a botanical source of salicylate compounds and is used here as a cosmetic pore-refining ingredient rather than as an over-the-counter acne drug. Our language is deliberately careful: we say “helps pores look clearer” and “helps refine the look of congested pores” — never “treats acne” or “removes blackheads.” Polyhydroxy acids, particularly gluconolactone, have literature supporting exfoliation with a gentler profile than some traditional acids; PHAs have been discussed as compatible with sensitive skin and photoaged skin care regimens [1,2]. In a rinse-off cleanser, that evidence supports rationale, not a quantified product claim.
Green tea is one of the most interesting ingredients in the pore system because it addresses oxidation and the appearance of oiliness. Epigallocatechin gallate, or EGCG, has been studied in acne-prone skin and sebaceous biology [3]. For MARSEL KEI, the language remains cosmetic: green tea helps support a fresher-looking complexion and contributes antioxidant support. Zinc PCA adds oil-balancing rationale — but the cleanser does not promise medical control of sebum or acne.
Papaya and pineapple enzyme ingredients are included for a soft polish. They are also the area that requires the most formulation honesty. Proteolytic enzymes can be sensitive to water, heat, pH and preservatives. In a cleanser, their activity will be confirmed in the manufacturer-final formula before we say anything stronger. Until then: fruit enzyme ingredients help skin feel softly polished. That is the honest level.
The cleanser also belongs inside a two-product pore ritual. It is the daily step: gentle, repeated, non-punitive. The Mineral Mask is the periodic deeper reset. This split is not marketing convenience; it is chemistry. Acids, surfactants and enzymes do not always want the same pH or storage environment. The cleanser can be optimized for daily comfort, while the powder mask can preserve enzyme freshness in a dry format.
A beautiful cleanser should not feel like an apology for serious actives. It should feel like the first intelligent decision in the ritual: skin clean enough to receive care, comfortable enough to keep using it, and polished enough to see the difference in the mirror.
A note on evidence: the research discussed here is ingredient-level, and the Daily Gel Cleanser formula is in final development; details may be refined before launch. MARSEL KEI does not publish finished-product performance figures until finished-product studies support them.
References
[1] Grimes PE, Green BA, Wildnauer RH, Edison BL. The use of polyhydroxy acids (PHAs) in photoaged skin. Cutis. 2004;73(2 Suppl):3-13. PMID:15002656. https://pubmed.ncbi.nlm.nih.gov/15002656/
[2] Edison BL, Green BA, Wildnauer RH, Sigler ML. A polyhydroxy acid skin care regimen provides antiaging effects comparable to an alpha-hydroxyacid regimen. Cutis. 2004;73(2 Suppl):14-17. PMID:15002657. https://pubmed.ncbi.nlm.nih.gov/15002657/
[3] Yoon JY, Kwon HH, Min SU, Thiboutot DM, Suh DH. Epigallocatechin-3-gallate improves acne in humans by modulating intracellular molecular targets and inhibiting P. acnes. J Invest Dermatol. 2013;133(2):429-440. doi:10.1038/jid.2012.292. https://pubmed.ncbi.nlm.nih.gov/23096708/
[4] Choi EH. Importance of Stratum Corneum Acidification to Restore Skin Barrier Function. Int J Mol Sci. 2024. https://pmc.ncbi.nlm.nih.gov/articles/PMC10861303/
[5] Baker P, et al. Skin Barrier Function: The Interplay of Physical, Chemical, and Immunologic Properties. Cells. 2023. https://pmc.ncbi.nlm.nih.gov/articles/PMC10706187/