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
Cos De BAHA

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

$11.79
Delivers deep, lasting hydration that keeps skin plump throughout the day Provides intensive moisture that sinks in without heaviness Restores skin's natural bounce and elasticity

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.
    A lightweight comfort serum for skin that looks dry, lined, or barrier-stressed.
    Delivery checked at checkout

    Availability varies by destination

    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
    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
    Ingredient-focused product details Clear use directions Full INCI when available Delivery confirmed at checkout
    Suggested additions

    Complete the routine

    Review the suggested routineCheck each product before adding
    $70.12

    Build your bundle

    Build Your Bundle

    Your bundle, built around your choices.

    Loading your bundle builder...

    Niacinamide 2%

    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
    Texture

    Lightweight, absorbing

    All Skin Types
    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.

    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.

    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.
    You may also like

    More K-beauty picks

    Cos De BAHA
    About the brand

    Shop all →