Ultimune Power Infusing Serum — Reddit Reviews
by Shiseido
Updated October 6, 2026
Hydration-first serum that leaves skin plump, dewy, and smoother; pricey splurge.
What the community says
A glycerin-, ectoin-, and dimethicone-heavy serum with alcohol denat. and fragrance in the mix. People use it for plumping, long-wear hydration, and a fresher, smoother look. Sensitive skin may hate the scent and alcohol.
What this means for you
What people love
- Plumps fast and hangs around
- Gives that hydrated, dewy glow
- Ectoin plus glycerin in a silky serum base
Watch out for
Product details
Skin type data limited
Real Reddit threads — 11 mentions across 11 threads
Shiseido Ultimune Power Infusing Serum on Reddit, in one place — 11 threads from r/AsianBeauty, r/koreanskincare and 2 more, summarized.
“Essence is Shiseido Ultimune”
Positive
“which I will SOEND HOWEVER MUCH MONEY CAUSE THIS IS MY FOUNTAIN OF YOUUUUUUTH.”
Positive
“Essence is Shiseido Ultimune which I will SOEND HOWEVER MUCH MONEY”
Positive
“Shiseido Ultimune: within 2 weeks, my skin felt hydrated all the time and clearer, less splotchy, a noticeably more even and healthy complexion.”
Positive
“It’s not. This thing actually works.”
Positive
“I bought 2 bottles in Japan.”
Positive
“The Ultimune line are my daily use products”
Positive
“I think the serum that felt most similar to CDP The Serum is Shiseido Ultimune Power Infusing Serum”
Mentioned
“I love this serum as well”
Mentioned
“I just feel like the CDP one feels more luxurious and uses better quality ingredients.”
Mentioned
“same here! i’m planning on switching to shiseido ultimune once my kbeauty stash runs out”
Mentioned
“Shiseido Ultimune serum”
Positive
“I layer the products: lotion, serum, moisturizer”
Positive
“Never got eczema again.”
Positive
