Richard Asarch, MD
Hydrating B
- Regular price
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$98.99 - Regular price
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- Sale price
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$98.99
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Most hydrating serums rely on a single form of hyaluronic acid that sits on the skin's surface. TThe Hydrating B Serum pairs Sodium Hyaluronate with Glycosaminoglycans and Beta-Glucan, delivering hydration at both the skin surface and deeper layers simultaneously.
The result is skin that holds moisture for longer, feels softer without heaviness, and responds better to every product that follows. It was formulated specifically for skin challenged by dry air, altitude, and UV exposure, conditions that drain surface moisture faster than most serums can replenish it.
Dual-weight hyaluronic acid. Deep hydration that lasts.
Most hydrating serums rely on a single form of hyaluronic acid that sits on the skin's surface. The Hydrating B Serum uses two molecular weights of hyaluronic acid, Sodium Hyaluronate and Hydrolyzed Hyaluronic Acid, so hydration is delivered at both the surface and deeper skin layers simultaneously.
The result is skin that holds moisture for longer, feels softer without heaviness, and responds better to every product that follows. It was formulated specifically for skin challenged by dry air, altitude, and UV exposure, conditions that drain surface moisture faster than most serums can replenish it.
Dual-weight hyaluronic acid. Deep hydration that lasts.
Every ingredient in this formula is here for a documented reason, at a concentration that actually works.
Sodium Hyaluronate
Sodium Hyaluronate
Draws and retains moisture at the skin surface
A low-molecular-weight form of hyaluronic acid that penetrates beyond the surface to bind water within the skin. Unlike HA that sits on top, Sodium Hyaluronate works where moisture loss actually begins — making it especially effective in low-humidity, high-altitude environments.
Formulated at a functional concentration — not the trace inclusion common in serums marketed around hyaluronic acid.
Panthenol (Vitamin B5)
Panthenol
Conditions the skin surface and supports moisture retention
Converts to pantothenic acid on contact with skin, supporting the skin's natural barrier function. Works alongside Sodium Hyaluronate to maintain hydration — not after it. Helps keep skin feeling comfortable and resilient throughout the day in dry or cold conditions.
At a dose that delivers active surface support — not a cosmetic trace included for label appeal.
Beta-Glucan
Beta-Glucan
Supports barrier repair and calms visible irritation
A well-studied polysaccharide that activates skin's natural repair response, helping reinforce the moisture barrier while visibly reducing redness and sensitivity. Particularly relevant for skin exposed to UV stress, wind, and dry air — conditions that chronically compromise barrier integrity.
Included for barrier function, not aesthetics. In Colorado's climate, repair support isn't optional — it's a formulation requirement.
Glycosaminoglycans
Glycosaminoglycans
Supports skin structure and long-term moisture retention
Naturally occurring in the skin's extracellular matrix, glycosaminoglycans help maintain structural integrity and hold water within deeper skin layers. As the skin ages and loses these compounds, hydration becomes harder to sustain. Replenishing them topically supports the skin's ability to hold moisture over time — not just on the surface.
Completes the hydration system alongside Sodium Hyaluronate and Beta-Glucan. Every ingredient here has a job.
Hydrating B is a lightweight, high-performance hydration serum designed to deliver deep moisture while supporting skin comfort and structural integrity. Formulated with a high concentration of hyaluronic acid, it helps attract and retain moisture within the skin for immediate and lasting hydration.
In addition to moisture support, the formula includes ingredients that help promote collagen production while inhibiting collagen breakdown, supporting smoother texture and improved resilience over time. Anti-inflammatory components help calm visible irritation and support a balanced, comfortable complexion.
The fast-absorbing texture layers easily into daily routines, making Hydrating B an essential step for maintaining hydration, supporting collagen health, and protecting skin exposed to dry or environmentally stressful conditions.
Ingredients:
Water, Panthenol, Oleth-10, Glycosaminoglycans, Glycerin, Beta-Glucan, Propylene Glycol, Sodium Hyaluronate, Wheat Amino Acids, Allantoin, Potassium Sorbate, Disodium Edta, Vaccinium Myrtillus (European Blueberry) Fruit/Leaf Extract, Iodopropynyl Butylcarbamate, Diazolidinyl Urea, Lavandula Angustifolia (English Lavender) Oil, Echinacea Purpurea (Purple Coneflower) Root Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Salvia Officinalis (Sage) Leaf Extract, Tilia Europaea (Linden) Flower Extract, Cucumis Sativus (Cucumber) Fruit Extract
Shipping information
- Ships within 1-3 business days.
Climate performance
Hydrating B. Formulated for Colorado's Climate. Built to Last.
Colorado's combination of high altitude, low humidity, and intense UV radiation creates a moisture deficit that most serums can't keep up with. At elevation, transepidermal water loss accelerates — skin loses surface hydration faster than it can be replenished by formulas designed for sea-level conditions.
Dr. Asarch saw this in practice for decades. Patients with otherwise healthy skin routines were chronically dehydrated — not because they weren't applying enough product, but because their serums weren't formulated to hold moisture under real environmental stress. Hydrating B was built to close that gap. Dual-pathway hydration delivered at both the surface and deeper skin layers, with barrier support built in.
When a serum holds up in Colorado, it holds up anywhere.
Your routine
Step 2 locks in what Step 1 prepared. Apply while skin is still slightly damp for maximum absorption.
Build your complete DermaSpa RX routine and save with the Complete Bundle
In their own words
"The cleanser is where every routine either earns its results or loses them. I needed a formula that genuinely prepared the skin, so that what came next could actually do its job. Not just clean. Prepare."
Dr. Richard Asarch, MD, FAAD | Founder, DermaSpa RX
"I've been using DermaSpa RX for a while now, and I can truly see a difference in my skin. It looks healthier, feels softer, and stays noticeably more hydrated, which matters a lot living in Denver, where the climate is so dry. The esthetician at a well-known spa was genuinely impressed with how hydrated and smooth my skin was when I mentioned I was from Denver."
Michelle L.
Denver, CO — DermaSpa RX full routine user
"I have used all of the DERMAspaRX products over the past 10 months and the improvement in my skin has been remarkable. At 71, I have tried countless skincare products from dermatologists as well as boutique product lines, and I can say that the DERMAspaRX products have made a bigger difference than any of them."
Bari K.
Age 71, San Diego, CA — 10 months of full routine use
Dr. Richard Asarch, MD, FAAD | Founder, DermaSpa RX
Hydrating B
Dual-pathway hydration for skin that holds moisture longer, formulated for Colorado's climate, effective everywhere.
FAQs
Can I use Hydrating B every day?
Yes. Hydrating B is designed for daily use, morning and evening. The formula is lightweight and fast-absorbing, so it layers cleanly into any routine without heaviness or buildup. Most users apply it immediately after cleansing while skin is still slightly damp, which improves absorption and maximizes the hydrating effect.
When in my routine should I apply Hydrating B?
Apply it as Step 2 — directly after cleansing and before any treatment serums or moisturizer. If you're using the full DermaSpa RX routine, the AHA Facial Cleanser in Step 1 increases surface permeability, which means Hydrating B absorbs more effectively on freshly cleansed skin. Follow with the Skin Boost Gel, then Reclaim Plus, then the Moisturizing Repair Cream to seal everything in.
How is this different from a standard hyaluronic acid serum?
Most HA serums rely on a single molecular weight of hyaluronic acid that sits on the skin's surface. Hydrating B uses Sodium Hyaluronate alongside Glycosaminoglycans and Beta-Glucan, which work at both the surface and deeper skin layers simultaneously. The result is hydration that holds, not just a temporary surface plump that dissipates within hours. It also includes Panthenol to support barrier function while the HA actives are working.
Is Hydrating B suitable for dry or high-altitude climates?
Yes, it was specifically developed for these conditions. At altitude, low humidity and UV exposure accelerate transepidermal water loss. Most serums can't keep pace with that rate of moisture loss. Hydrating B was formulated in Colorado to address exactly this — delivering hydration at multiple skin layers so it doesn't evaporate before it can do its job.
How long before I see results?
Most people notice improved skin comfort and surface hydration within the first few days of consistent use. Deeper improvements in skin texture, plumpness, and resilience typically develop over 4 to 6 weeks. For best results, use it as part of the full DermaSpa RX routine — each step builds on the last.
Can I use Hydrating B with retinol or other active serums?
Yes. Hydrating B is compatible with retinol, vitamin C, niacinamide, and most prescription actives. Because it's a hydration serum rather than a treatment serum, it works well layered underneath or alongside other actives. If you're using retinol, apply Hydrating B first as Step 2, let it absorb, then apply your retinol product after. The hydration base actually helps reduce the dryness and flaking that retinol can cause.
Everywhere you go, your face gets there first. Treat it well, it's the story you show the world.
– Dr. Asarch