The Serum
The Serum
The Serum
The Serum
The Serum
1/5

Ruiia Kyoto

The Serum

£68.00
£68.00
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From Kyoto leaves to Shimane vines: this silky serum nourishes with sakekasu, matcha, momiji, and grapes. Reviving skin in one radiant ritual. Clinically proven to visibly reduce fine lines and wrinkles after continuous use.*
  • Kyoto Momiji
  • Firms and tones for a youthful, revitalized appearance.
  • Shimane Grape
  • Reduces fine lines while boosting skin elasticity.
  • Sakekasu
  • Brightens and smooths for a radiant, even complexion.
  • Uji Green Tea
  • Fast-absorbing and rich in antioxidants for lasting protection.
Key Ingredients
  • Tripeptide‑1 : Firms and plumps beneath the surface, revealing smoother, bounce‑back skin.
  • 2% Niacinamide : Refines uneven texture and soothes redness for a visibly balanced, luminous complexion.
  • Hyaluronic Acid : Floods skin with micro‑molecule hydration for instant, lasting plumpness.
  • Vitamin E : Shields against daily free‑radicals while soothing for calm, protected radiance.
Intense Hydration

Delivers deep moisture to keep skin plump and radiant throughout the day.

Antioxidant Protection

Fights free radicals to reduce the appearance of fine lines and promote youthful skin.

Enhanced Firmness

Improves elasticity for a firmer, more resilient complexion.

Soothing Calm

Reduces irritation and redness, leaving skin feeling balanced and refreshed.

Ruiia The Serum 37ml

This advanced serum harnesses the power of nature to deliver intense hydration while targeting visible signs of aging. Powered by our novel Tsuki-6® blend. 

Clinically proven to visibly reduce the number and depth of wrinkles after 4 weeks.*

*Based on a 4 week, 20 panelist bio-instrumental analysis of the number of wrinkles to total area in the crow’s feet area.

Essential Actives

  • Tripeptide‑1 : Firms and plumps beneath the surface, revealing smoother, bounce‑back skin.
  • 2% Niacinamide : Refines uneven texture and soothes redness for a visibly balanced, luminous complexion.
  • Hyaluronic Acid : Floods skin with micro‑molecule hydration for instant, lasting plumpness.
  • Vitamin E : Shields against daily free‑radicals while soothing for calm, protected radiance.

All ingredients

Aqua/Water/Eau, Butylene Glycol, Triethylhexanoin, Caprylic/Capric Triglyceride, Rice Ferment Filtrate (Sake), Squalane, Glycerin, Pentylene Glycol, Butyrospermum Parkii (Shea) Butter, Cetyl Alcohol, Honey, Hydrolyzed Vitis Labrusca Skin Extract, Oryza Sativa (Rice) Bran Extract, Acer Palmatum Leaf Extract, Camellia Sinensis Leaf Extract, Prunus Lannesiana Flower Extract, Sodium Hyaluronate, Glycine Soja (Soybean) Seed Extract, Arginine, Aspartic Acid, PCA, Glycine, Alanine, Panax Ginseng Root Extract, Laminaria Japonica Extract, Serine, Valine, Proline, Threonine, Isoleucine, Histidine, Phenylalanine, Tripeptide-1, Chamaecyparis Obtusa Oil, Tocopherol, Disodium EDTA, Sodium Citrate, Ethylhexylglycerin, Citric Acid, Lactic Acid, Sodium PCA, Sodium Lactate, Dextran, Xanthan Gum, Phenoxyethanol.

All Ruiia products are made with carefully selected natural ingredients. We work with trusted suppliers and farmers in Japan who share our commitment to sustainability and quality. We avoid artificial fragrances and harsh preservatives. Our products are naturally scented by their botanical ingredients and preserved using gentle, skin-friendly methods.

Our paper packaging is FSC certified, and recyclable. We strive to make a positive impact on both people and the planet with every order we fulfill.

Free From UV Absorbent, Parabens, Mineral Oil, Alcohol, Synthetic Fragrance, Synthetic Colorant, D5.

100% cruelty-free. We never test on animals, nor do we work with suppliers who engage in animal testing.

Customer Reviews

Key quality

Suitable for All Skin Types

Formulated with a blend of Kyoto Momiji, Shimane Grape, Sakekasu, and Uji Green Tea, this serum provides a harmonious balance of hydration and nourishment, ensuring a healthy, radiant complexion for every skin type.

Benefits

Revitalizing Essence

Our advanced serum is crafted to illuminate and rejuvenate your skin. Enriched with Kyoto Momiji and Shimane Grape, it delivers deep hydration and enhances elasticity. Sakekasu brightens and smooths the skin, while Uji Green Tea calms and strengthens, effectively combating signs of aging and leaving your complexion luminous and revitalized.

Ingredients

Ruiia collaborates with local artisans in Kyoto Prefecture to source ingredients sustainably and develop unique formulations respective of our partners’ heritage. This not only supports the local economy but also Ruiia wishes to be authentic to its brand mission; allowing customers to feel a deeper connection to the region and its traditions.

Kyoto Momiji

Antioxidant Shield

Kyoto Momiji, extracted from the vibrant maple leaves, serves as a powerful antioxidant shield for the skin. It protects against environmental stressors, helping to diminish the appearance of fine lines and imparting a youthful, radiant glow that reflects the beauty of nature.

Shimane Grape

Firming Elixir

Shimane Grape, harvested from the lush vineyards of Shimane, is a firming elixir rich in vitamins and minerals. It enhances skin elasticity and promotes a plump, youthful appearance, ensuring your complexion feels revitalized and resilient.

Sakekasu

Brightening Essence

Sakekasu, the byproduct of sake brewing, is a brightening essence that smooths and revitalizes the skin. It helps to even out skin tone and enhance radiance, leaving your complexion luminous and refreshed, echoing the spirit of Japanese craftsmanship.

Uji Green Tea

Calming Infusion

Uji Green Tea, renowned for its rich antioxidants, offers a calming infusion that strengthens the skin’s barrier. It soothes irritation and promotes a healthy, rejuvenated glow, embodying the tranquility of Japan’s serene tea gardens.
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•
Non-comedogenic
•
Dermatologist Tested
•
Cruelty-free
•
No Alcohol or Colouring
•

Ruiia Kyoto

Commitment to Quality

Ruiia prioritizes quality in every aspect of its products, from ingredient sourcing to manufacturing processes. This commitment to excellence aligns with the values of Kyoto's craftsmanship and ensures that customers receive skincare formulations that are sustainable, effective, safe, and a pleasure to use.

The ritual steps

The Cream The Cream
Ruiia Kyoto
The Cream
£54.00
£54.00
The Serum The Serum
Ruiia Kyoto
The Serum
£68.00
£68.00
The Cleanser The Cleanser
Ruiia Kyoto
The Cleanser
£43.00
£43.00

FAQs

What makes Ruiia skincare different?

Ruiia is inspired by Kyoto’s natural beauty and traditions, sourcing rare, natural ingredients from Kyoto farmers. Our formulations emphasize purity, efficacy, and the harmony between nature and skincare, avoiding synthetic additives and unnecessary fillers.

We aim to achieve as close to 99% natural ingredients as possible with all of our formulations.

Are Ruiia products suitable for all skin types?

Our products are designed to be gentle and effective for all skin types, including sensitive skin. Each formula is carefully crafted to nourish and protect the skin without causing irritation.

Do Ruiia products contain artificial fragrances or preservatives?

No, we avoid artificial fragrances and harsh preservatives. Our products are naturally scented by their botanical ingredients and preserved using gentle, skin-friendly methods.

Is Ruiia cruelty-free?

Yes, Ruiia is committed to being 100% cruelty-free. We never test on animals, nor do we work with suppliers who engage in animal testing.
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