4msk
Our database includes 3 products featuring 4msk as a hero ingredient, reviewed and ranked by formulation quality, ingredient evidence, and real-world performance. Use the category filter below to narrow by product type, or explore each review for full skin-type suitability and usage guidance.
3 products with 4msk
Sakura Science Brightener White Lucent Illuminating Micro-Spot Serum
Shiseido's premier brightening serum puts their patented 4MSK at the highest concentration in the lineup alongside a triple-pathway approach to dark spots — delivering reliable luminosity within weeks and genuine spot fading over months, though the luxury price and strong fragrance ask a lot.
Overnight Sculpting Treatment Vital Perfection LiftDefine Radiance Night Concentrate
A sophisticated overnight treatment that delivers genuine brightening via Shiseido's patented 4MSK and thoughtful NightG3N3 regeneration science — applied uniquely over moisturizer as a lock-in sealant — though the ambitious lifting claims and luxury pricing require patience and trust.
Japanese Firming Powerhouse Vital Perfection Uplifting and Firming Advanced Cream
Shiseido's flagship firming cream brings genuine formulation sophistication with SafflowerRED technology and patented 4MSK brightening — delivering consistent radiance and measurable hydration — though the ambitious lifting claims require patience, and the alcohol-plus-fragrance load narrows its audience.