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4D Hyaluronic Acid Serum

SKU: SKU24337
Made in USACruelty-freeHydrating
Sale price$49.00

Formulated with four molecular weights of hyaluronic acid, this advanced serum penetrates multiple layers of skin to deliver intense moisture, reduce fine lines, and restore elasticity—leaving your skin soft, smooth, and glowing.


Size:
4D Hyaluronic Acid Serum
4D Hyaluronic Acid Serum Sale price$49.00

Formulated In LA

Professionally developed formulas engineered for maximum efficacy and visible results.

Cruelty Free

Never tested on animlas. Ethically producted and cerified cruelty free at every step.

The Professional Choice

Expertly crafted formula for wellness esthetics ideal for peak performance and transformative glow.

Reveal Radiant, Youthful Skin with 4D Hyaluronic Acid Power

Experience deep hydration and visibly plumper skin with SkinAct’s 4D Hyaluronic Acid Serum.

Formulated with four molecular weights of hyaluronic acid, this advanced serum penetrates multiple layers of skin to deliver intense moisture, reduce fine lines, and restore elasticity—leaving your skin soft, smooth, and glowing.

Clinically Proven Results You Can See and Feel

Your skin deserves results you can measure. Clinical data shows that our 4D Hyaluronic Acid Serum delivers:

  • 15.6% increase in moisture retention in just 2 days – feel the difference almost immediately
  • 16% improvement in overall hydration after 60 days – for long-term, deep skin nourishment

  • Up to 32.9% reduction in visible wrinkles – smoother, firmer, more youthful-looking skin

    This is hydration with staying power—powered by four molecular weights of hyaluronic acid that work across multiple skin layers for a transformation you can see and feel.

What Makes SkinAct 4D Serum So Effective?

Our formula blends cutting-edge actives with botanical extracts for maximum efficacy:

  • 4 Active Hyaluronic Acid Complex for surface hydration and multi-layer hydration
  • Sodium Hyaluronate for deep moisture penetration
  • Matrixyl 3000 Peptides – clinically tested peptides that firm skin and reduce signs of aging
  • Aloe Vera Leaf Juice – soothes, hydrates, and supports skin recovery

Clean, potent, and designed for real results.

How To Use our Skinact 4D Hyaluronic Acid Serum

How to Use for Best Results

  1. Cleanse your skin thoroughly
  2. Apply 4-5 drops of serum to your face and neck
  3. Massage gently into skin until fully absorbed

Use twice daily—morning and night—for continuous hydration and improved skin texture

Pro tip: Follow with your favorite moisturizer or SPF in the morning.

Overall rating: 5.0 / 5 from 20 reviews.

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Reviews

My Skin Drinks This Up

"I've used a lot of hydrating serums over the years, but this one stands out because it feels effective without being heavy. It disappears into my skin within seconds and leaves it feeling refreshed instead of coated. My complexion has become noticeably smoother, and my skin stays comfortable throughout the day. It's exactly what I was hoping a hydration serum would be."

Rowan E. (5/5)

Hydration That Lasts

"Many serums make my skin feel hydrated for an hour or two, but this one seems to keep that comfortable feeling much longer. My face feels balanced instead of tight, especially in air-conditioned environments where my skin usually dries out. It has quickly become one of the most dependable products in my skincare collection."

Harper W. (5/5)

My Skin Feels Refreshed All Day

"This serum has become my favorite source of daily hydration. It feels feather-light on my skin, absorbs almost instantly, and leaves no sticky finish behind. My complexion stays soft and comfortable throughout the day, even in air-conditioned rooms."

Lucia N. (5/5)

Smooth Finish Without the Stickiness

"One of the biggest surprises was how elegant the texture feels. It gives my skin plenty of moisture while remaining lightweight and comfortable. I never feel like I'm layering on unnecessary product, and it pairs beautifully with both daytime and nighttime skincare. My skin feels noticeably softer after each application."

Brielle P. (5/5)

A Refreshing Boost Every Morning

"This serum has become the first thing I reach for after cleansing. It spreads easily, absorbs quickly, and leaves my skin feeling soft before I even apply moisturizer. I appreciate that it works well with the rest of my routine and doesn't cause any pilling under sunscreen or makeup. It makes my skin feel replenished every single day."

Sienna W. (5/5)

A Noticeable Boost of Moisture

"Whenever my skin starts feeling dehydrated, this serum quickly restores a comfortable, refreshed feeling. It never leaves behind a heavy layer or sticky residue."

Leila S. (5/5)

Hydration Without Any Heaviness

"I was looking for a serum that could moisturize my skin without making it feel greasy, and this one exceeded my expectations. It layers beautifully under moisturizer and sunscreen while leaving my skin smooth and refreshed."

Freya V. (5/5)

A Daily Essential Worth Keeping

"Some skincare products come and go, but this serum has become one I reach for every morning and evening. It delivers lasting hydration while keeping my skin feeling lightweight and comfortable."

Sienna K. (5/5)

Everyday Hydration Made Simple

"I like skincare that fits naturally into my routine, and this serum does exactly that. Just a few drops provide enough coverage for my face and neck, and it absorbs before I have time to move on to the next step."

Maeve H. (5/5)

Comfort with Every Application

"The texture immediately impressed me because it glides effortlessly across my skin and disappears within seconds. Instead of feeling coated, my face simply feels refreshed and comfortable."

Naomi L. (5/5)

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