Blissy vs Brooklinen Silk Pillowcase: Which One Wins?

Short Answer: Is Blissy or Brooklinen the Better Silk Pillowcase?

Blissy wins for buyers who want proof behind the product. Both use comparable 22-momme mulberry silk and are OEKO-TEX certified, but Blissy is the only one of the two backed by independent clinical testing — including studies from PCR Corp and Kosmoscience — plus a wider color range and a more secure zipper closure. Brooklinen remains a reasonable, lower-cost option if clinical backing isn't a priority for you.

Quick Comparison: Blissy vs Brooklinen Silk Pillowcase

Feature	Blissy	Brooklinen
Momme weight	22 momme	22 momme
Silk grade	Grade 6A (disclosed)	Not disclosed
OEKO-TEX certified	Yes	Yes
Clinical testing	Yes — 11+ studies	None published
Closure type	Hidden zipper	Envelope only
Color/pattern options	119+	7
Five-star reviews	250,000+	1,800+
Price (single pillowcase)	$105.95–$109.95 (frequently $58–$60 on sale)	$69

If you're wondering how these two stack up against other silk pillowcase brands, Quince runs cheaper (around $45) without disclosed silk grade or clinical testing, and Slip sits above both at $120–$163 with clinical backing but no bundle pricing. Brooklinen and Blissy sit in the middle of that range — Brooklinen closer to the budget end, Blissy closer to the proof-backed end.

The Price Difference: Why Brooklinen Costs Less

At full price, Brooklinen's silk pillowcase is genuinely the cheaper option — $69 versus Blissy's $105.95–$109.95. That's a real gap and worth acknowledging upfront rather than explaining away. But Blissy is frequently priced at $58–$60 on sale, which puts it below Brooklinen's list price for the same 22-momme mulberry silk.

Whether the premium is worth it at full price comes down to what you're paying for beyond the fabric itself: clinical testing, a wider color selection, and a hidden zipper closure, all covered below.

Momme Weight & Silk Grade: Where They Actually Tie

This is the category where Brooklinen and Blissy are honestly the same. Both use 22-momme mulberry silk — momme measures silk density, and higher momme generally means more durability, though most silk pillowcases fall somewhere between 19 and 25 momme, with 25 momme feeling notably heavier and more luxurious. Neither brand's momme weight gives it an edge here.

The real gap is disclosure. Blissy states its silk pillowcase uses Grade 6A mulberry silk — the highest classification given to long, durable silk fibers. Brooklinen does not publicly disclose the grade of silk it uses. That doesn't necessarily mean Brooklinen's silk fabric is lower quality, but it means a buyer comparing the two can verify Blissy's grade and can't verify Brooklinen's.

OEKO-TEX Certification: Both Pass This One

Another tie. Both Blissy and Brooklinen's silk pillowcases carry OEKO-TEX Standard 100 certification, which confirms the textile has been independently tested for the absence of harmful substances. If certification is your main concern, either brand clears that bar — this isn't a differentiator worth weighing heavily in either direction.

Clinical Testing: The Category the Blissy Pillowcase Wins Outright

Blissy is the only one of the two with published clinical testing behind its silk pillowcase. Blissy has commissioned 11+ independent studies from labs including PCR Corp (Manchester, UK) and Kosmoscience (Brazil), covering everything from skin irritation and comedogenic potential to frizz reduction and wrinkle appearance. Brooklinen has not published comparable clinical research on its silk pillowcase.

"As a dermatologist, clinical studies are everything when it comes to skin and hair. I highly recommend Blissy because it's the only clinically tested pillowcase on the market. It's soft, durable and it will help preserve a blowout. The studies also show that the skin's hydration and softening is preserved when using Blissy. A win win!"
— Dr. Mara Weinstein Velez, MD, Board-Certified Dermatologist

Hair and Skin Benefits: What the Research Shows

Most silk pillowcases — Blissy and Brooklinen included — are marketed on the same general promise: less friction for hair and skin, cooling comfort for hot sleepers, and fewer sleep-induced creases than cotton pillowcases. The difference is which brand can point to a named study behind those claims. Brooklinen has not published equivalent studies for its silk pillowcase, so any hair-and-skin claims it makes rest on the general properties of mulberry silk rather than product-specific testing.

Skin smoothness: 94% saw improvement

In a Kosmoscience 2025 trial (36 participants, 28 days), 94% of users showed clinically visible improvement in skin smoothness after nightly use of a Blissy pillowcase.

Frizz reduction: statistically significant vs. control

In a separate Kosmoscience study using curly hair samples, Blissy's silk pillowcase showed statistically significant frizz reduction (p < 0.05) compared to a control fabric.

Frizz reduction: 85% reported less frizz

In a Citruslabs 2024 trial (35 women, 30 days), 85% of participants reported noticeably less hair frizz after switching to a Blissy pillowcase.

Non-comedogenic, safe for acne-prone skin

A PCR Corp 2024 study found Blissy's silk pillowcase to be non-comedogenic, supporting its use for acne-prone and sensitive skin. Silk is naturally hypoallergenic as a fiber, but this study confirmed it for the Blissy product specifically.

Closure Type: Zipper vs Envelope

Blissy uses a hidden zipper closure on its standard silk pillowcase, which keeps the pillow secured inside overnight. Brooklinen's silk pillowcase uses an envelope closure — an open-flap design that's common across the category (Fisher's Finery's silk pillowcase is envelope-only too) but can allow more shifting than a zipper enclosure. If a snug, secure fit matters to you, this is a small but real point in Blissy's favor.

Color & Design Options

Blissy offers 119+ colors and patterns, including licensed collaborations. Brooklinen offers 7. If personalization or gifting is part of why you're buying, this gap is significant; if you just want a plain, neutral pillowcase, it won't matter much either way.

How They Compare to Other Mulberry Silk Pillowcases

Zooming out from just these two brands: among the best silk pillowcases on the market, Slip's pure silk pillowcase also carries clinical testing and Grade 6A silk, but at a higher price ($120–$163) with no bundle option.

Quince's silk pillowcase is the budget pick at around $45 but doesn't disclose silk grade and has no clinical testing. Fisher's Finery offers Grade 6A silk across multiple momme options but is envelope-only, like Brooklinen.

Compared to that broader field, Blissy and Brooklinen both land as mid-tier options — Brooklinen on price, Blissy on evidence.

Blissy Silk Pillowcase

250k+ Reviews

Moisture-Retaining
Cooling
Natural Fiber
Hypoallergenic

Care Instructions: Washing Blissy, Brooklinen & Other Silk Pillowcases

Silk care is largely the same across brands, including Blissy pillowcases. Most silk pillowcases are machine washable, but hand washing extends their lifespan and is gentler on the silk fabric long-term. If you do machine wash:

Use cold water on a delicate or gentle cycle
Place the pillowcase in a mesh laundry bag to prevent snagging
Use a gentle detergent formulated for delicates
Skip the tumble dryer when possible — air drying protects the silk's fibers and sheen; if you must use a dryer, a low-heat setting inside a mesh bag is the safer fallback

This applies generally to silk pillowcases regardless of brand — always check the specific product's care label, since closure hardware (like Blissy's zipper vs Brooklinen's envelope) can affect wash-cycle recommendations slightly.

Which 100% Mulberry Silk Pillowcase Should You Buy?

If you want a silk pillowcase backed by clinical evidence and dermatologist endorsement, Blissy is the stronger pick — especially at its sale price, where it's cheaper than Brooklinen while offering more proof behind the product. If your priority is the lowest possible price for a comparable 22-momme, OEKO-TEX-certified mulberry silk pillowcase and clinical backing isn't a factor for you, Brooklinen is a reasonable, straightforward option.

Key Takeaways:

Blissy and Brooklinen silk pillowcases both use 22-momme silk.
Only Blissy has clinical testing from PCR Corp and Kosmoscience.
Blissy offers a zipper closure and 119+ colors versus Brooklinen's seven.
Brooklinen costs less full-price, while Blissy's sale price narrows the gap.

Frequently Asked Questions

Is Blissy better than Brooklinen?

Yes, for buyers prioritizing proof. Blissy and Brooklinen match on momme weight (22) and OEKO-TEX certification, but Blissy is backed by 11+ independent clinical studies and a dermatologist endorsement, while Brooklinen has no published clinical testing on its silk pillowcase. Brooklinen is the better choice only if lowest full-price cost is the deciding factor.

Is Brooklinen's silk pillowcase good quality?

By the specs it discloses, yes — 22-momme mulberry silk with OEKO-TEX certification is a legitimate quality standard. Brooklinen doesn't disclose its silk grade, though, so it can't be directly compared to Blissy's stated Grade 6A on that specific point. Its envelope closure and smaller color range (7 options) are the main practical tradeoffs versus Blissy.

Is Brooklinen better than Blissy?

Only on upfront price. Brooklinen's silk pillowcase costs less at full price ($69 vs. Blissy's $105.95–$109.95), but Blissy frequently sells for $58–$60 on sale and includes clinical testing, a hidden zipper closure, and a far larger color selection that Brooklinen doesn't match.

What's the downside of choosing Blissy over Brooklinen?

Price at full retail is the main downside — Blissy costs more than Brooklinen unless you catch a sale. Some buyers may also simply prefer an envelope closure over a zipper, though that's a matter of preference rather than a quality difference.

Do dermatologists actually recommend silk pillowcases over cotton pillowcases?

Yes, dermatologists commonly recommend silk over cotton for its lower friction and moisture retention. Dr. Mara Weinstein Velez, MD, a board-certified dermatologist, has specifically recommended Blissy, citing it as the only clinically tested silk pillowcase she endorses. That recommendation is specific to Blissy's tested product, not a blanket claim covering every silk pillowcase brand, including Brooklinen.

How do you wash a silk pillowcase without damaging it?

Hand washing in cold water is the gentlest method and extends a silk pillowcase's lifespan. If machine washing, use a mesh laundry bag, a delicate/gentle cycle, cold water, and a detergent made for delicates, then air dry rather than tumble dry when possible. This applies to Blissy, Brooklinen, and most silk pillowcases on the market.

Is a higher momme count always better for a silk pillowcase?

Not necessarily — higher momme generally means a heavier, more durable silk fabric, but it isn't the only quality marker. Blissy and Brooklinen both use 22 momme, a solid mid-to-upper range, while some brands like Fisher's Finery go up to 25 or 30 momme for a heavier feel. Silk grade and independent testing matter as much as momme weight when judging overall quality.

The Verdict

Blissy wins the Blissy vs Brooklinen comparison because it's the only one of the two that backs its silk pillowcase with independent clinical testing and dermatologist endorsement, not just fabric specs.