ProtoClinical k-beauty Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml single upright serum bottle centered on a pale pink and green background
ProtoClinical k-beauty Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml single upright serum bottle centered on a pale pink and green background
ProtoClinical k-beauty Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml single upright serum bottle centered on a clean white background in a square product shot
Cos De BAHA

Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml

$11.79
Replenishes lasting moisture Helps soften dry lines Supports a healthier barrier Balances light daily glow Leaves skin feeling smoother
One of the hottest products on the market currently is Vitamin B5 for sale. Vitamin B5 serum benefits your skin in many ways, helping to moisturize, heal and smooth the skin, along with increasing elasticity to provide a huge punch of moisturization. When your skin ages, it loses...
A lightweight comfort serum for skin that looks dry, lined, or barrier-stressed.
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4% Vitamin B5 2% Niacinamide Barrier-Hydrating Serum
panthenol niacinamide
Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml
Cos De BAHA HP Vitamin B5 4% + Niacinamide 2% Serum 30ml Default Title
$11.79
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
Pairs beautifully with

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$11.79

panthenol and niacinamide

Niacinamide works at the junction between melanocytes and keratinocytes, intercepting melanin transfer before pigment reaches the visible surface. It simultaneously boosts ceramide synthesis to strengthen the lipid barrier, which is why consistent use addresses both discoloration and dehydration. In this serum, Niacinamide targets loss of firmness, delivering delivers deep, lasting hydration that keeps skin plump throughout the day with consistent use.

Niacinamide 2%
intercepts melanin transfer to fade spots and refine pore texture from within
Panthenol (Vitamin B5)
penetrates deep to hydrate from within and repair compromised barrier tissue
The texture

Lightweight, absorbing serum

One of the hottest products on the market currently is Vitamin B5 for sale. Vitamin B5 serum benefits your skin in many ways, helping to moisturize, heal and smooth the skin, along with increasing elasticity to provide a huge punch of moisturization. When your skin ages, it loses moisture, which is why you start to see wrinkles and lines. So, you want to add back in as much moisture as possible. This is why a Vitamin B5 serum is one of the best face serums.

    • Wrinkle Prevention : Vitamin B5 replenishes the skin's natural barrier against the loss of moisture.
    • Wrinkle Repair : Vitamin B5 actively hydrates your skin by drawing moisture from the atmosphere.
    • It's D-Panthenol : Only D-Panthenol is converted to Vitamin B5 and not the L-Panthenol.
    All Skin Types dryness dehydration fine lines barrier weakness
    Hover the swatch: it ripples like water

    How to use

    1

    Apply after toner to clean skin.

    2

    Smooth 2-3 drops over the face and neck.

    3

    Pat gently until absorbed.

    4

    Follow with moisturizer.

    5

    Use morning and night.

    Full transparency

    Ingredients

    Vitamin B5 and niacinamide focus on barrier comfort, smoother texture, and daily hydration without heaviness.

    This serum centers on moisture repair rather than aggressive correction. Panthenol, also known as vitamin B5, helps the skin feel more comfortable by supporting barrier function and reducing the tight, dry feeling that often makes fine lines look worse. Niacinamide adds a balancing effect by helping the skin appear more even and resilient while staying lightweight enough for daily use. The combination is especially useful when the complexion looks dehydrated, slightly stressed, or rough from moisture loss. Instead of relying on a heavy cream, the serum format delivers hydration in a lighter layer that can be used under anything else in the routine. The result is a softer, better-supported surface with less tightness and a healthier-looking finish over time.

    The detail

    Specs & details

    FormatLightweight serum
    SizeDefault Title
    Skin typesAll Skin Types
    Country of originSouth Korea
    Before you add to cart

    Questions & answers

    After cleansing and toning, before moisturizer. Serums deliver actives most effectively on freshly prepped skin.
    Yes. Apply from thinnest to thickest consistency and allow each layer to absorb before the next.
    Most users notice initial improvement within 2 to 4 weeks. For full benefits like delivers deep, lasting hydration that keeps skin plump throughout the day, allow 6 to 8 weeks of consistent use.
    Your skin begins adjusting. You may notice improved hydration and comfort before more visible changes like texture refinement become apparent.
    Yes, this formula is developed to be compatible with all skin types dealing with loss of firmness. If you have very reactive skin, patch test on the inner arm before full application.
    The formula is designed to be well-tolerated. For pregnancy-specific concerns, consult your healthcare provider. For sensitive skin, patch test before full application.
    Niacinamide intercepts melanin transfer to fade spots and refine pore texture from within. Consistent daily use is key to seeing the full benefits.
    Check the INCI list for the most accurate information on fragrance components. The formula is developed for minimal irritation potential.
    Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
    Serums have a higher concentration of targeted actives than essences and a lighter consistency than most ampoules. They deliver the most potent treatment in your routine.
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    About the brand

    OriginSeoul, KR
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