Skip to content

Jet Lag Deep Hydration Serum

Jet Lag Deep Hydration Serum

Product Description

Product overview

Made in Various INTERNATIONAL

Summer Fridays Jet Lag Deep Hydration Serum is a lightweight, fragrance-free jelly-serum that instantly absorbs to deliver skin-drenching, 48-hour hydration. Powered by squalane, glycerin, hyaluronic acid, ceramide NP, and a soothing blend of colloidal oat, aloe and arnica, it plumps dry, stressed skin while supporting a healthy moisture barrier — perfect for travel, dehydration, and everyday glow.

Vegan Cruelty-Free Fragrance-Free Non-Comedogenic Clean at Sephora Pregnancy Safe Gluten-Free Dermatologist-Tested
Pregnancy
Yes
Fungal Acne
Caution
Comedogenic
1/5
Brand
Summer Fridays
Type
Hydrating Serum
Size
30 ml / 1 oz
Concern
Dryness, Barrier
Use
AM & PM
Real reviews · YouTube Shorts
Why it's different

48-Hour Hydration

Clinically proven to deliver lasting moisture — 100% of participants showed a significant increase in skin hydration immediately and after 24 hours.

01

Texture & feel

SENSORY
Consistency
Jelly-Serum
Scent
Fragrance-Free
Absorption
Instant
Finish
Dewy & Plump

48-Hour Hydration

Clinically proven to deliver lasting moisture — 100% of participants showed a significant increase in skin hydration immediately and after 24 hours.

Barrier Support

Ceramide NP, panthenol and squalane reinforce the skin's lipid barrier, helping skin retain moisture and resist environmental stress.

Soothing Botanical Blend

Colloidal oat (Avena Sativa), aloe vera, arnica and centella asiatica calm visible redness and comfort sensitive, irritated skin.

Multi-Weight Hyaluronic Acid

Sodium hyaluronate, sodium PCA and a full amino-acid NMF complex hydrate skin on multiple levels for plump, supple results.

Travel-Ready Formula

Designed to combat dehydration from flights, AC, screens and weather changes — under 100ml and TSA-friendly.

Makeup-Friendly Base

Lightweight gel finish absorbs in seconds without pilling, leaving a smooth, dewy canvas for moisturizer, SPF or makeup.

02

Safety & compatibility

SAFE
Pregnancy & Breastfeeding Safe

No retinoids, salicylic acid, hydroquinone or chemical sunscreens. Considered safe for use during pregnancy and breastfeeding.

Fungal Acne — Use With Caution

Contains squalane (FA-safe) but also cetyl ethylhexanoate, glyceryl stearate and polyglyceryl-3 distearate, which may feed Malassezia in sensitive individuals.

Non-Comedogenic

Officially formulated as non-comedogenic. Will not clog pores, suitable for acne-prone skin.

Layers With Actives

Compatible with retinol, vitamin C, AHA/BHA and niacinamide — apply this serum after actives to buffer and rehydrate.

Vegan & Cruelty-Free

Certified by Summer Fridays as 100% vegan and cruelty-free. No animal-derived ingredients or testing.

Sensitive Skin Friendly

Fragrance-free and free from common irritants. Includes anti-inflammatory arnica, oat and centella.

03

Ingredient breakdown

INGREDIENTS

Glycerin ~3.0–3.6%Proven

One of the most studied humectants in skincare. Pulls water into the upper layers of the skin from the environment and deeper layers, providing immediate plumpness and softness.

  • Source: Independent ingredient analysis estimates a glycerin concentration of approximately 3.0–3.6%, an effective hydrating dose.
  • Function: Strengthens the moisture barrier and reduces transepidermal water loss (TEWL).

Squalane High in formulaProven

A plant-derived, weightless emollient that mimics natural skin lipids. Locks in hydration without feeling greasy and helps reinforce a compromised barrier.

  • Source: Listed 3rd on the INCI, indicating a meaningful concentration.
  • Function: Reduces TEWL, softens skin, and is fungal-acne safe.

Sodium Hyaluronate ~1.2–1.4%Proven

The salt form of hyaluronic acid — smaller and more skin-penetrating than HA itself. Holds up to 1,000× its weight in water for instantly plumper, dewier skin.

  • Source: WIMJ ingredient analysis estimates 1.2–1.4% — a clinically supported hydrating dose.
  • Pairing: Works synergistically with glycerin and squalane to hydrate and seal in moisture.

Ceramide NP ~0.6–0.9%Proven

An identical-to-skin lipid that fills "gaps" between skin cells, restoring barrier integrity and reducing sensitivity, redness and water loss.

  • Source: Ceramides naturally make up about 50% of the skin's intercellular lipid matrix.
  • Benefit: Especially helpful for compromised, dry, eczema-prone or post-active skin.

Colloidal Oatmeal (Avena Sativa) ~1.1–1.4%Proven

FDA-recognized skin protectant. Soothes itchiness, reduces redness and reinforces the skin barrier through avenanthramides — natural anti-inflammatory compounds.

  • FDA Monograph: Officially recognized as a skin protectant for sensitive and irritated skin.
  • Benefit: A hero soothing ingredient for sensitive and reactive skin types.

Palmitoyl Tripeptide-38 ~0.45–0.7%Promising

A signal peptide (Matrixyl Synthe'6 family) that communicates with skin to support collagen, elastin and hyaluronic acid production over time.

  • Studies: Manufacturer-led trials suggest visible smoothing of fine lines after 8–12 weeks of use.
  • Note: Long-term, gradual benefit — best for anti-aging support layered with consistent use.

Niacinamide Low %Proven

Vitamin B3 supports the skin barrier, increases ceramide synthesis, helps regulate oil and improves uneven tone over time.

  • Function: Supports barrier repair and reduces visible redness.
  • Concentration: Used at a low, supportive level here — not a primary brightening dose.

Centella Asiatica + Arnica + Aloe Low %Promising

A trio of soothing botanicals. Centella's madecassoside calms inflammation, arnica reduces visible redness, and aloe provides mild humectant relief.

  • Centella: Studied for wound healing and anti-redness benefits.
  • Synergy: Combined botanical blend boosts the soothing profile of the formula.
Arnica may rarely trigger sensitivity in those allergic to Asteraceae plants (ragweed, daisy family). Patch-test if reactive.

Acetyl Glucosamine + Amino Acid NMF Complex Low %Promising

Acetyl glucosamine is a precursor to hyaluronic acid synthesis and may help with brightness and fine-line softening. The full amino-acid blend (arginine, glycine, alanine, serine, etc.) replicates the skin's own Natural Moisturizing Factor.

  • Acetyl Glucosamine: 2% has been studied for wrinkle and dark-spot improvement over 8 weeks.
  • NMF Complex: Provides multi-level humectant hydration that mimics skin's natural barrier.

44 ingredients

Water, Propanediol, Squalane, Glycerin, Cetyl Ethylhexanoate, Aloe Barbadensis Leaf Juice, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyester-5, Sodium Hyaluronate, Avena Sativa Kernel Flour, Sodium PCA, Panthenol, Ceramide NP, Arnica Montana Flower Extract, Laminaria Digitata Extract, Centella Asiatica Extract, Palmitoyl Tripeptide-38, Niacinamide, Acetyl Glucosamine, Arginine, Aspartic Acid, PCA, Glycine, Alanine, Serine, Valine, Proline, Threonine, Isoleucine, Phenylalanine, Histidine, Sodium Lactate, Caprylhydroxamic Acid, Glyceryl Stearate, Disodium EDTA, Sodium Hydroxide, Polyglyceryl-3 Methylglucose Distearate, Sodium Benzoate, Citric Acid, Hydroxypropyl Cyclodextrin, Xanthan Gum, Potassium Sorbate, 1,2-Hexanediol, Propylene Glycol.

FREE FROM: Parabens, sulfates, phthalates, mineral oil, formaldehyde, synthetic fragrance, essential oils, alcohol denat., silicones, gluten, animal-derived ingredients.
04

Where it fits in your routine

ROUTINE
1
Cleanser
2
Toner
3
Jet Lag Serum
4
Treatment
5
Moisturizer
6
SPF (AM)

Apply right after cleansing/toning, before heavier serums or moisturizer. Use AM and PM — for very oily skin, it can replace moisturizer at night.

05

How to use

HOW TO USE
1

Cleanse

Start with a gentle cleanser to remove dirt, oil and SPF. Pat skin damp — not bone-dry.

2

Dispense 2–3 Pumps

Warm the jelly-serum between fingertips. A little goes a long way.

3

Press Into Skin

Smooth and gently press over face and neck. Avoid rubbing — let the formula absorb.

4

Layer Targeted Treatments

Follow with retinol, vitamin C or other serums, then seal with moisturizer. SPF in the morning.

5

Use AM & PM

Twice daily delivers the best 48-hour hydration results. Reapply on long-haul flights or extra-dry days.

06

Who is it for?

WHO

Perfect for you if:

  • Your skin feels tight, dehydrated or stressed
  • You travel often or work in air-conditioned spaces
  • You want a fragrance-free serum for sensitive skin
  • You're using actives (retinol, AHA, vitamin C) and need a barrier buffer
  • You want a lightweight, non-greasy hydration layer under makeup
  • You're pregnant or breastfeeding and need a safe hydrator

Consider alternatives if:

  • You have very dry skin and need a richer cream as your main hydrator
  • You're strictly fungal-acne (Malassezia) avoidant
  • You're sensitive to Asteraceae botanicals like arnica
  • You're shopping on a tight budget — premium price for the size
  • You need active treatment (acne, pigmentation) — this is hydration, not correction
07

Skin type compatibility

SKIN TYPES
Dry Skin
Excellent

Multi-weight humectants and ceramides deliver intense, long-lasting hydration. A go-to for dehydration and tightness.

Oily Skin
Good

Lightweight jelly texture absorbs fast without greasiness. Can replace moisturizer for very oily skin.

Combination
Excellent

Balances oily and dry zones — hydrates without disrupting natural sebum production.

Sensitive
Excellent

Fragrance-free with calming oat, aloe, centella and arnica. Patch-test if sensitive to Asteraceae plants.

Acne-Prone
Good

Non-comedogenic and rated 1/5 — but contains a few fatty esters that may not suit strict fungal-acne protocols.

Mature Skin
Excellent

Peptides, ceramides and acetyl glucosamine support firmness and plumpness alongside deep hydration.

08

Results timeline

4–8 WEEKS
Immediately

Instant Plumping & Glow

Skin feels softer, smoother, and visibly dewier within seconds. Tightness disappears as humectants pull moisture in.

100% measured hydration boost (clinical study)
24 Hours

Sustained Hydration

Hydration measurements remain elevated 24 hours after a single application. Skin retains its plump, comfortable feel overnight.

100% maintained hydration after 24h
2 Weeks

Visibly Healthier Skin

With twice-daily use, skin looks calmer, less reactive, and noticeably smoother. Redness and dehydration lines reduce.

~90% saw improved comfort & suppleness
4–8 Weeks

Stronger Barrier & Smoother Texture

Ceramide NP, peptides and acetyl glucosamine begin showing barrier-strengthening and fine-line-softening effects.

~85% saw smoother, more even texture
09

Ratings by platform

13K+ REVIEWS
Sephora
4.4
Rating
4,200+
Reviews
Main complaint: Premium price for 30 ml — bottle empties quickly with daily use.
Amazon
4.5
Rating
2,800+
Reviews
Main complaint: Some buyers worried about counterfeits from third-party sellers.
Ulta
4.3
Rating
1,100+
Reviews
Main complaint: Doesn't replace moisturizer for very dry skin in winter.
Brand Website
4.7
Rating
3,500+
Reviews
Main complaint: A few users wished for a larger size option.
Cult Beauty
4.6
Rating
800+
Reviews
Main complaint: Pricey — most users only repurchase during sales.
Space NK
4.5
Rating
600+
Reviews
Main complaint: Some users with very oily skin found it unnecessary as a layered serum.
10

Pros & cons

BALANCED

Praised

  • Instant, deeply hydrating jelly-serum texture
  • Fragrance-free, sensitive-skin friendly
  • Non-comedogenic, won't clog pores
  • Vegan, cruelty-free and Clean at Sephora
  • Pregnancy and breastfeeding safe
  • Layers beautifully under SPF and makeup
  • Clinically-backed 48h hydration claim
  • Soothing oat + aloe + arnica blend

Criticized

  • Premium price (~$60 for 30 ml)
  • Small bottle finishes quickly with daily AM/PM use
  • Not a standalone moisturizer for very dry skin
  • Includes some fatty esters, not strict FA-safe
  • Multiple humectants may feel tacky in humid climates
  • Arnica may rarely irritate Asteraceae-allergic users
11

Budget-friendly alternatives (dupes)

DUPES
82% Match
Hyaluronic Acid 2% + B5 Serum
$8.90
Budget Pick

Offers similar multi-weight hyaluronic hydration with panthenol but lacks ceramides, peptides and the soothing botanical blend. Best for hardcore budget seekers.

85% Match
Wonder Releaf Centella Serum Unscented
$22.00
K-Beauty Dupe

Centella, panthenol and HA combine for soothing hydration similar to Jet Lag's calming profile. Lighter texture, fragrance-free, and a fraction of the price.

75% Match
Quadruple Hyaluronic Acid Serum 5%
$15.99
Solid Mid-Range

Combines multi-weight HA with ceramides and squalane — closer in supporting cast to Jet Lag than The Ordinary. Lacks the peptide and amino acid complex.

70% Match
Dynasty Cream
$18.00
K-Beauty

Hydrating glycerin- and squalane-rich formula with a lightweight feel. More of a moisturizer than a serum, but covers a similar hydration job affordably.

12

Comparison with competitors

SIDE-BY-SIDE
Plum Plump Hyaluronic Acid Serum
Size 30 ml
Hero Ingredient 5-weight HA + Plum extract
Texture Lightweight gel
Fragrance Lightly Scented
Pregnancy Safe Yes
Price per ml $1.40
B-Hydra Intensive Hydration Serum
Size 50 ml
Hero Ingredient Provitamin B5 + Pineapple ceramides
Texture Watery serum
Fragrance Fragrance-Free
Pregnancy Safe Yes
Price per ml $0.98
The Silk Serum
Size 30 ml
Hero Ingredient Hadasei-3 + Squalane
Texture Silky milky serum
Fragrance Floral scent
Pregnancy Safe Yes
Price per ml $3.00
13

Storage & shelf life

12 MONTHS
Period After Opening (PAO)

12 months after opening. Discard once expired to maintain efficacy and safety.

Storage

Store in a cool, dry place out of direct sunlight. Keep cap tightly closed between uses.

Packaging

Sleek pump bottle with sanitary, controlled dispensing. Helps preserve actives from oxidation.

Travel Friendly

Yes — 30 ml is well under the TSA 100 ml carry-on liquid limit. Designed for jet-setters.

13

Frequently asked questions

FAQ

Yes. The formula is free from retinoids, salicylic acid, hydroquinone, chemical sunscreens, and essential oils — all of which are commonly avoided during pregnancy and breastfeeding. Hydrating ingredients like glycerin, squalane, hyaluronic acid, ceramide NP, and panthenol are considered safe. As always, we recommend confirming with your OB-GYN or dermatologist if you have specific concerns.

Use with caution. The serum is fragrance-free and contains squalane (a fungal-acne-safe lipid), but it does include cetyl ethylhexanoate, glyceryl stearate, and polyglyceryl-3 methylglucose distearate, which can potentially feed Malassezia in highly sensitive individuals. If you strictly follow a fungal-acne-safe routine, you may want to patch test or choose a more minimalist formula.

Yes — this serum is specifically formulated to layer well with active treatments. The brand recommends applying actives like retinol or vitamin C first, then following with Jet Lag Deep Hydration Serum to buffer irritation and reinforce the moisture barrier. Avoid mixing it directly into actives in the same step, which may dilute their performance.

It's universally suitable — but particularly great for dry, dehydrated, sensitive, mature, and combination skin. Oily skin types can use it as a lightweight hydration step in the morning or in place of moisturizer at night. Acne-prone skin tolerates it well thanks to its non-comedogenic rating, though strict fungal-acne avoiders should check the ingredient list.

Hydration is immediate — clinical testing showed 100% of participants had increased skin hydration right after application and 24 hours later. With twice-daily use, expect visibly calmer, plumper skin within 2 weeks. Long-term benefits like fine-line softening and barrier strengthening (from peptides, ceramides, and acetyl glucosamine) typically appear after 6–8 weeks of consistent use.

Apply it after cleansing and toning, before heavier serums or moisturizer. AM order: cleanser → toner → Jet Lag Serum → treatment serum (if any) → moisturizer → SPF. PM order: cleanser → toner → actives (retinol, etc.) → Jet Lag Serum → moisturizer. For oily skin, it can replace moisturizer at night when paired with the brand's Cloud Dew Gel Cream during the day.

No. Summer Fridays officially classifies the formula as non-comedogenic, and our overall comedogenic rating is 1 out of 5. The squalane and lightweight gel base are well tolerated by acne-prone skin. The most pore-relevant ingredient is cetyl ethylhexanoate, but it sits low enough on the INCI to be a minimal concern for most users.

The Period After Opening (PAO) is 12 months — indicated by the small "12M" jar symbol on the packaging. To maintain potency, store the bottle upright in a cool, dry place away from direct sunlight, and keep the pump capped between uses. Most users finish a 30 ml bottle in 2–3 months with twice-daily application.

— Skincarisma verdict
4.5 / 5 ★★★★★

Verdict: Summer Fridays Jet Lag Deep Hydration Serum is a thoughtfully formulated, multi-tasking hydrator that genuinely earns its hype. The lightweight jelly texture, 48-hour clinical hydration claim, and fragrance-free, vegan, pregnancy-safe profile make it an exceptional fit for sensitive, dehydrated, and travel-stressed skin. The combination of squalane, ceramide NP, sodium hyaluronate, peptides, and a calming oat-aloe-arnica blend punches well above most "basic" hydrating serums. The main drawback is the premium price-per-ml — there are excellent budget dupes like PURITO Wonder Releaf or Naturium HA Serum at a fraction of the cost.If you value clean, sensitive-skin-safe formulation and an effortless daily glow, this serum is a worthwhile staple.

Product Overview

question
lightbulb What are Quick Product Notes?

Quick product notes are a great way to check if a product is free from commonly avoided ingredients by skincare enthusiasts. These preferences come about for different reasons depending on the ingredient such as personal experiences, sensitivities, health preferences & etc.

muscle Pro Tip Alert!

Just because a product is not free from a common preference does not mean it's a bad product! You can make a personal decision whether or not you want to use a product that contains these ingredients or not - click the labels of the preference to read more about them.

Awesome, I Understand!

Quick Product Notes

Click on icons for more information
question
lightbulb What are Notable Effects & Ingredients?

Ever used a product that promised a certain effect but provided no results? It might not have contained any notable ingredients that could have been responsible for that promised effect. It doesn't matter what the marketing or packaging «promises» it can do, if it doesn't contain anything that can help - then the likelihood of it helping is low.

We help you identify key notable ingredients that have been shown to help with effects such as acne-fighting, brightening, UV-protection, wound healing & anti-aging to help you achieve your skincare goals smarter. Please note that different notable ingredients have varying levels of research behind them, some are extremely well proven yet some have mixed research in their efficacy.

muscle Pro Tip Alert!

Just because a product doesn't contain any notable ingredients doesn't mean it's bad. And a product with notable ingredients (or even many) doesn't necessarily guarantee the efficacy of the product performing these effects either. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine this.

Be smart and use this as just a starting point for you to make more informed and smarter choices and compare it with reviews to see if the product is right for you

Awesome, I Understand!

Notable Effects & Ingredients

anti-aging Anti-Aging from 6 ingredient(s):
Ceramide NP Centella Asiatica Extract Palmitoyl Tripeptide-38 Niacinamide Histidine Citric Acid
brightening Brightening from 4 ingredient(s):
Glycerin Niacinamide Acetyl Glucosamine Citric Acid
wound Promotes Wound Healing from 9 ingredient(s):
Glycerin Sodium Hyaluronate Panthenol Centella Asiatica Extract Niacinamide Arginine Phenylalanine Histidine Citric Acid
ache Ache-fighting from 2 ingredient(s):
Cetyl Ethylhexanoate Niacinamide
question
lightbulb What are Ingredients Related to Skin Type?

Why are some products great for some people and horrible for others? Well everyone has different skin types and different reactions to the same ingredients.

We've identified a range of ingredients that are commonly regarded as potentially good or bad for those with Dry, Oily/Acne-Prone or Sensitive skin.

muscle Pro Tip Alert!

A product that contains good or bad ingredients for your skin type doesn't always flat out make the entire product good or bad for your skin. There are other factors such as ingredient quality, concentration and formulation that will ultimately determine your skins reaction.

One of the best ways to use this section is to troubleshoot products you've had bad experiences with in the past. Check if it contains any of the marked ingredients to point out suspect ingredients to avoid in the future!

Awesome, I Understand!

Ingredients Related to Skin Types

Click on icons for more information
dry-skin Dry Skin
5 1
oily-skin Oily/Acne-Prone Skin
3
sensitive-skin Sensitive Skin
question
lightbulb What is the Ingredient Safety Breakdown?

Ingredient Safety Breakdown refers to the percentage % of ingredients in different risk categories as classified by EWG (Environment Working Group) if they are available. There are almost endless cosmetic ingredients and they are one of the few organisations globally that have assigned ratings to a lot of the more commonly used ingredients which is why we reference them.

muscle Pro Tip Alert!

EWG is seen by many to be more on the alarmist side in their assignment of health ratings resulting in rating ingredients as riskier than they actually are. We recommend using this a reference point rather than a strict guide of ingredient safety and to always do further research if into ingredients that you may find suspect.

Awesome, I Understand!

Ingredient Safety Breakdown

EWG Health Ratings
Low risk
Medium risk
High risk
Unknown risk
55% 9% 34%

Product ingredient list

Showing first 5 of 43 ingredients
EWG CIR Ingredient Name & Cosmetic Functions Notes
1 Unknown
Water
Solvent, Skin Conditioning
1 Unknown
Propanediol
Solvent, Viscosity Controlling, Viscosity Decreasing Agent
1 A
Squalane
Skin Conditioning, Emollient, Hair Conditioning, Refatting
Hydrating
2 A
Glycerin
Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant, Skin Conditioning
brightening Brightening
Promotes Wound Healing
Hydrating
1 B
Cetyl Ethylhexanoate
Skin Conditioning, Emolient
ache Ache-fighting
VIEW ALL INGREDIENTS