Step 2: Serum
Moisturizing Serum
Loved by our customers
Tax excluded.
Who is this product ideal for?
Perfect for anyone looking to boost their skin with hydration, freshness, and radiance - ideal for tired or tight-feeling skin.
Description
Moisturizing Face Serum – For firm, smooth skin with visible lifting effects
Why you should choose the Moisturizing Serum:
- Firming effect: The serum promotes collagen production, supporting the skin’s natural firmness and elasticity, leading to firmer skin and reducing the first signs of aging.*
- Regenerating care: The moisturizing power of 5-ALA, hydrolyzed collagen, and hyaluronic acid intensely regenerates the skin, making it look instantly fresher and smoother.
- Protection and care: Natural plant oils and antioxidants protect the skin from external stress factors, keeping it soft and supple.
- For a youthful appearance: Regular use visibly smooths the skin, restoring freshness and vitality.*
Füllmenge: 1 fl.oz. / 30ml
Packaged in Italian Glass
No Parabens or Silicones
Cruelty-free
No Perfume
GMO-free
No Microplastics

How 5-ALA Helps Your Skin Reveal Its Best Self
The Results Our Community Loves
Deep Hydration
Refined Skin Texture
Preventive Skincare
Skin in Balance
Natural Glow Booster
These Ingredients Make the Difference
Hydrolyzed Collagen
Hydrolyzed Hyaluronic Acid
Baobab Oil
Step 1 -
Apply
Step 2 -
Work In
Step 3 -
Let It Absorb



5-ALA (5-Aminolevulinic Acid) is a naturally occurring amino acid that supports cellular energy production.
Found in small amounts in foods like spinach and tomatoes, 5-ALA helps energize skin cells, making it a powerful ingredient for improving hydration, firmness, and glow.
5-ALA stimulates the mitochondria, known as the "powerhouses" of cells.
This boosts the production of ATP (cellular energy), which helps the skin to generate collagen and elastin, retain moisture, and regenerate more effectively - resulting in smoother, more radiant skin.
All our 5-ALA skincare products are dermatologically tested and suitable for daily use as part of your skincare routine.
In a clinical study, participants saw a measurable increase in skin hydration after just 4 weeks, along with a visible reduction in wrinkle depth and fine lines. Results may vary depending on skin type and consistency of use.
Yes. 5-ALA occurs naturally in the human body and in small amounts in foods like spinach, tomatoes, and potatoes.
In skincare, it is biotechnologically derived for purity, safety, and effectiveness.
Absolutely. 5-ALA pairs well with hydrating agents like hyaluronic acid, barrier-supporting ingredients like ceramides, and even brightening actives like Vitamin C. It’s a versatile and gentle base for many routines.
Yes. A Japanese double-blind clinical study confirmed that 5-ALA significantly increased skin moisture and reduced the depth of wrinkles after just four weeks of regular use.
Source: Naraoka et al., Health Journal, 2020.
Yes. The 5-ALA used in KIYOMI SKIN products is vegan, biotechnologically produced, and our skincare is never tested on animals.
5-ALA is ideal for anyone looking to:
- Deep hydration and moisture retention
- Visible reduction in fine lines and wrinkles
- Improved skin elasticity and firmness
- Supports cell renewal and repair
- Long-term radiance and skin resilience
Yes. 5-ALA is dermatologically tested and considered safe for all skin types, including sensitive skin.
At KIYOMI SKIN, we formulate with clean, biocompatible ingredients to ensure high tolerance and daily use.
5-ALA is perfect for those looking to:
- Improve skin hydration and glow
- Prevent or reduce signs of aging
- Boost collagen production naturally
- Strengthen and support skin from the inside out
- Build a science-based, minimalist skincare routine.
Kiyomi Community
@made.bylais
@anechka_massage
@merelygrace
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