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HYDRA•K | Bioidentical HYALURONIC SERUM

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$70.00
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$70.00
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The Story ✨

HYDRA•K — Hyaluronic Bioidentical Hydration Serum

Meet your hydration reset.
HYDRA•K is a precision-crafted 1% bioidentical hyaluronic acid serum designed to activate with water, flood the skin with hydration, and visibly transform texture in minutes.

This isn’t surface-level hydration—this is intelligent moisture binding that works with your skin to create bounce, glow, and resilience.

WHAT IT DOES

  • Instantly plumps + smooths the look of fine lines
  • Delivers deep, lasting hydration
  • Strengthens the skin barrier
  • Refines texture + boosts glow
  • Enhances performance of everything layered after

WHY IT’S DIFFERENT

  • 1% Active Level — optimized for real results
  • Bioidentical Structure — seamlessly recognized by the skin
  • Clean + Minimal Formula — no fluff, just function
  • Built for layering — because hydration is a system

THE RITUAL: DAMP • DROP • LOCK

1. ACTIVATE (DAMP SKIN)
Apply to freshly cleansed, slightly damp skin.
Pro tip: layer over your Liquid Plasma for next-level absorption.

2. DROP (HYDRA•K)
Apply 1–2 pumps. Smooth a thin, even layer.

3. LOCK (SEAL IT IN)
Follow immediately with your moisturizer and/or oil.
This step is what transforms hydration into
lasting results.

THE POWER PAIRINGS (YOUR TINA K REGIMEN)

☀️

DAYTIME GLOW SYSTEM

  • Cleanse
  • Liquid Plasma
  • HYDRA•K
  • Vitamin D Face Oil
  • SPF

Why it works:
HYDRA•K pulls hydration in → Vitamin D Oil seals + nourishes → SPF protects
→ Result:
hydrated, radiant, protected skin all day

🌙

NIGHT REPAIR SYSTEM

  • Cleanse
  • Liquid Plasma
  • HYDRA•K
  • EMOLLIENT•K Power Peptide Cream

Why it works:
HYDRA•K floods the skin → EMOLLIENT•K locks + repairs with peptides
→ Result:
plump, restored, deeply conditioned skin overnight

MAXIMUM HYDRATION (PRO TIP)

Layer all three:

  • Liquid Plasma
  • HYDRA•K
  • EMOLLIENT•K
  • Finish with Vitamin D Oil

→ This creates a full hydration seal system: humectant + emollient + occlusive
→ Think:
glassy bounce without the gimmick

THE SCIENCE (SIMPLIFIED)

Hyaluronic acid binds water—but it doesn’t seal it.

No seal = no staying power.

That’s why pairing HYDRA•K with oils or creams isn’t optional…
it’s what makes it
perform like a treatment, not just a serum.

RESULTS YOU CAN SEE + FEEL

  • Skin looks fuller, smoother, more lifted
  • Fine lines appear softened
  • Texture feels cushioned + hydrated
  • Glow looks healthy, not heavy

THE TAKEAWAY

Hydration is a strategy.

HYDRA•K is your first move.
What you layer next? That’s where the magic happens.

DAMP IT. DROP IT. LOCK IT.

Then seal it like you mean it.

Inside The Formula ✨

Hyaluronic acid

Application Ritual ✨

THE RITUAL: DAMP • DROP • LOCK

1. ACTIVATE (DAMP SKIN)
Apply to freshly cleansed, slightly damp skin.
Pro tip: layer over your Liquid Plasma for next-level absorption.

2. DROP (HYDRA•K)
Apply 1–2 pumps. Smooth a thin, even layer.

3. LOCK (SEAL IT IN)
Follow immediately with your moisturizer and/or oil.
This step is what transforms hydration into lasting results.

THE POWER PAIRINGS (YOUR TINA K REGIMEN)

    HYDRA•K | Bioidentical HYALURONIC SERUM
    FREE SHIPPING on all orders over $100
    10% OFF your first order | Use code: FIRST10

    Why TINA•K?

    • Clean meets science Skincare

      Transparency you can read about — visit our blog

    • International Delivery

      DHL International Shipping to France, the UK & Canada.


    • Sustainability

      Glass to reuse. Tubes to recycle.


    • PRIVACY

      We respect your privacy. Your information never leaves Tina K.

    “You shouldn’t have to choose between protecting your skin and nourishing it. Topical vitamin D3 lets you do both.”

    – TINA•K

    A note from Tina

    Why I added this to the catalog

    I added HYDRA•K to the Tina K catalog because hydration is one of the most important steps in a skincare ritual, but it is also one of the most misunderstood.

    So many people reach for a serum and expect it to do everything on its own. But true hydration is a system. Your skin needs water, it needs ingredients that help hold that water, and then it needs something layered over top to lock it in.

    That is why I love this formula. HYDRA•K is simple, clean, and intentional. It gives the skin that fresh, plump, dewy feeling without making the routine feel heavy or complicated. When applied to damp skin and sealed in with a moisturizer or face oil, it helps the skin look smoother, softer, and more radiant.

    I wanted this in the catalog because it fits perfectly into the Tina K philosophy: skincare should feel beautiful, but it also needs to make sense. This is the product I reach for when skin feels dehydrated, tired, tight, or like it needs that extra bounce back.

    Damp it. Drop it. Lock it in.

    — Tina

    FAQs

    Are your products organic / natural?

    Our Ingredient Philosophy

    Tina K skincare, body care, and bath products are thoughtfully formulated with a balance of organic botanicals and advanced scientific ingredients. We believe truly corrective skincare happens when nature and science work together in perfect synergy.

    Botanical ingredients support the skin with nourishment and wellness, while clinically studied actives deliver the efficacy and corrective results your skin needs.

    Our philosophy is simple: care deeply about health and wellness, while remaining uncompromisingly results-driven. Each formula is intentionally crafted so every ingredient works together to support stronger, healthier, more radiant skin. ✨

    Do your products contain fragrance?

    At Tina K, fragrance is intentional. Our products are either lightly kissed with the cleanest fragrance available or completely fragrance-free—giving your skin exactly what it needs, nothing it doesn’t. We do not use any Prop 65–listed fragrances, and every formula is designed to feel fresh, natural, and effortlessly clean. From body oils to skincare, you’ll always have the option to go scent-free or subtly scented—never overwhelming, always elevated.

    Is there talc in any of your products?

    Talc-Free Commitment

    All Tina K products are 100% talc-free. We believe beauty should support both health and wellness, which is why our formulas are thoughtfully created without talc.

    Our approach is simple: keep your beauty routine clean, conscious, and skin-supportive so you can enjoy products that feel as good for your health as they do for your skin.

    What is the shelf life of my product?

    All Tina K skincare products have a 12-month shelf life after opening, also known as the Period After Opening (PAO). This standard applies across our entire skincare system.

    After 12 months, the formula may still be enjoyable to use, but the potency and efficacy of the active ingredients can begin to decline. For best results and optimal performance, we recommend using your product within this one-year window after opening.

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