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Facial Fuel Moisturizer

Facial Fuel Moisturizer

Product Description

Product overview

Made in Various INTERNATIONAL

An energizing, non-greasy men's face moisturizer formulated with Caffeine, Vitamin C (Ascorbyl Glucoside), Vitamin E, and Chestnut Extract. Designed to revitalize fatigued, dull skin with a cooling menthol sensation and fast-absorbing hydration that doubles as a post-shave treatment.

Paraben-Free Sulfate-Free Non-Greasy All Skin Types Post-Shave Safe Dermatologist Tested Recyclable Packaging
Pregnancy
Caution
Fungal Acne
No
Comedogenic
2/5
Size
2.5 fl oz / 75ml
Price
~$38.00
Type
Cream-Gel
Target
Men's Skin
Key Active
Vitamin C + Caffeine
Real reviews · YouTube Shorts
Why it's different

Energizing Caffeine Complex

Caffeine stimulates microcirculation and reduces dullness, giving skin a visibly revitalized, wide-awake appearance.

01

Texture & feel

SENSORY
Consistency
Lightweight Cream-Gel
Scent
Fresh Citrus-Menthol
Absorption
15–30 seconds
Finish
Matte-Natural

Energizing Caffeine Complex

Caffeine stimulates microcirculation and reduces dullness, giving skin a visibly revitalized, wide-awake appearance.

Antioxidant Defense

Vitamin C (Ascorbyl Glucoside) and Vitamin E work synergistically to neutralize free radicals and protect against environmental stress.

Chestnut Extract Barrier Support

Derived from the Sweet Chestnut Tree, this extract strengthens the skin barrier and helps retain essential lipids for improved resilience.

Cooling Post-Shave Relief

Menthol delivers an invigorating cooling sensation that soothes freshly shaved skin and reduces post-shave irritation.

02

Safety & compatibility

SAFE
Pregnancy & Breastfeeding

Contains Alcohol Denat. and Menthol, which some physicians may advise against during pregnancy. Consult your doctor before use. No retinoids, salicylic acid, or hydroquinone present.

Fungal Acne (Malassezia)

Not fungal acne safe. Contains fatty acid esters (Glyceryl Linoleate, Glyceryl Oleate), Polysorbate-related emulsifiers, and oils (Corn Germ Oil, Soybean Oil) that can feed Malassezia yeast.

Comedogenic Rating: 2/5 (Low)

Generally non-comedogenic for most skin types. Contains Cetyl Alcohol (rated 2/5) and light plant oils. Unlikely to clog pores for the majority of users.

Post-Shave Compatible

Kiehl's confirms this moisturizer is safe and recommended for use immediately after shaving. Provides instant cooling hydration to freshly shaved skin.

Contains Denatured Alcohol

Alcohol Denat. is listed as the 3rd ingredient, which may be drying for very sensitive or very dry skin types. Helps the product absorb quickly and feel lightweight.

Contains Fragrance

Includes Parfum/Fragrance with identified allergens Limonene, Linalool, and Citral. Those with fragrance sensitivities should patch test first.

03

Ingredient breakdown

INGREDIENTS

CaffeineProven

A well-known stimulant that works topically to boost microcirculation, reduce puffiness, and combat dull, fatigued-looking skin. Acts as an antioxidant to protect against UV-induced damage.

  • Mechanism: Constricts blood vessels to reduce puffiness; stimulates blood flow for a healthier complexion
  • Research: Studies confirm topical caffeine has antioxidant and photoprotective properties
  • Benefit: Energizes tired-looking skin and helps reduce the appearance of dark circles
One of the most widely studied topical ingredients for skin revitalization and anti-fatigue benefits.

Ascorbyl Glucoside (Vitamin Cg)Proven

A stable Vitamin C derivative that converts to pure ascorbic acid once absorbed into the skin. Provides antioxidant protection, brightens the complexion, and supports collagen synthesis over time.

  • Type: Water-soluble, stable Vitamin C derivative (glucose-bonded)
  • Research: Shown to inhibit melanin production and reduce appearance of fine lines with continued use
  • Stability: More stable than pure L-ascorbic acid; less prone to oxidation in formulation

Panthenol (Provitamin B5)Proven

A well-tolerated humectant and skin-conditioning agent that penetrates the skin and converts to Vitamin B5. Improves hydration, supports barrier repair, and has anti-inflammatory properties.

  • Source: Provitamin B5, converts to pantothenic acid in skin
  • Research: Clinical studies confirm improved skin hydration and reduced transepidermal water loss (TEWL)
  • Benefit: Soothes irritated skin, making it ideal for post-shave application

Castanea Sativa (Chestnut) Seed ExtractPromising

Derived from the Sweet Chestnut Tree native to Europe and Asia. Rich in antioxidants that help neutralize free radicals and support the skin's natural barrier function.

  • Source: Sweet Chestnut (Castanea sativa), native to southern Europe and western Asia
  • Benefit: Helps improve skin barrier integrity and lipid retention
  • Action: Contains tannins and flavonoids with anti-inflammatory and astringent properties

Glycerin ~5-10%Proven

One of the most effective and well-researched humectants in skincare. Draws moisture into the skin and helps maintain the lipid barrier in a healthy liquid crystal state.

  • Research: A 2016 study found glycerin more effective as a humectant than hyaluronic acid and AHAs
  • Comedogenicity: Rated 0/5 — will not clog pores
  • Tolerance: Extremely well-tolerated across all skin types

Tocopherol (Vitamin E)Proven

A powerful fat-soluble antioxidant that protects cell membranes from oxidative damage. Works synergistically with Vitamin C to enhance overall antioxidant protection.

  • Synergy: Vitamin E regenerates Vitamin C, and vice versa, for boosted antioxidant defense
  • Benefit: Moisturizes, protects from UV-induced free radical damage, and supports skin healing

37 ingredients

Aqua/Water, Cyclohexasiloxane, Alcohol Denat, Glycerin, Propanediol, Dimethicone, Zea Mays Germ Oil/Corn Germ Oil, Panthenol, Ascorbyl Glucoside, Triethanolamine, Phenoxyethanol, Glyceryl Linoleate, Polyperfluoromethylisopropyl Ether, Polyacrylamide, Dimethiconol, Glyceryl Oleate, Carbomer, Cetyl Alcohol, C13-14 Isoparaffin, Parfum/Fragrance, Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Glycine Soja Oil/Soybean Oil, Caffeine, Tocopherol, Hydrogenated Lecithin, Castanea Sativa Seed Extract, Benzophenone-4, Menthol, Limonene, PEG-100 Stearate, Glyceryl Stearate, Pentylene Glycol, Laureth-7, Hydrolyzed Soy Protein, Potassium Cetyl Phosphate, Disodium EDTA, Glyceryl Linolenate, Citrus Aurantium Dulcis Juice/Orange Juice, Citrus Limon Juice/Lemon Juice, Linalool, Ethylhexylglycerin, Sodium Benzoate, Citral, Potassium Sorbate, CI 42090/Blue 1, CI 14700/Red 4.

FREE FROM: Parabens, Sulfates (SLS/SLES), Mineral Oil, Retinoids, Salicylic Acid, Hydroquinone, Formaldehyde, Phthalates, Triclosan
04

Where it fits in your routine

ROUTINE
1
Cleanser
2
Toner
3
Serum
4
This Product
5
Eye Cream
6
Sunscreen

Use morning and night after cleansing. Can also be applied as a post-shave moisturizer. Follow with SPF in the morning.

05

How to use

HOW TO USE
1

Cleanse Your Face

Wash with a gentle cleanser (such as Kiehl's Facial Fuel Energizing Face Wash) and pat dry. Product absorbs best on clean, slightly damp skin.

2

Dispense a Quarter-Sized Amount

Squeeze approximately a quarter-sized amount onto your fingertips. A little goes a long way with this concentrated formula.

3

Massage Into Skin

Gently massage into cheeks, forehead, and chin using upward circular motions. Enjoy the cooling menthol sensation as it absorbs.

4

Follow with SPF (Daytime)

In the morning, follow with a broad-spectrum sunscreen (SPF 30+). This moisturizer does not contain SPF protection on its own.

06

Who is it for?

WHO

Perfect for you if:

  • You want a lightweight, non-greasy daily moisturizer
  • Your skin looks tired, dull, or fatigued
  • You need a moisturizer that doubles as post-shave care
  • You prefer an energizing, cooling sensation on application
  • You want antioxidant protection from Vitamin C and E
  • You have normal, oily, or combination skin

Consider alternatives if:

  • You have very dry skin that needs intense, rich moisture
  • You have fungal acne (Malassezia folliculitis)
  • You are highly sensitive to denatured alcohol or fragrance
  • You prefer a completely fragrance-free formula
  • You need SPF included in your moisturizer
  • You are pregnant and your doctor advises against certain ingredients
07

Skin type compatibility

SKIN TYPES
Oily Skin
Excellent

Lightweight, fast-absorbing formula leaves zero greasy residue. The Alcohol Denat. helps control shine throughout the day. Ideal for oily skin types.

Combination Skin
Excellent

Balances well across different facial zones. Hydrates dry areas without adding shine to the T-zone. Great all-around match.

Normal Skin
Excellent

Perfect daily moisturizer for normal skin. Provides just the right level of hydration with antioxidant benefits and a refreshing feel.

Dry Skin
Moderate

May not provide enough moisture for very dry skin, especially in winter. The Alcohol Denat. can be slightly drying. Layer with a heavier cream if needed.

Sensitive Skin
Good

Kiehl's states it is gentle on sensitive skin. However, contains fragrance, menthol, and alcohol which may irritate very reactive skin. Patch test recommended.

Acne-Prone Skin
Good

Low comedogenic rating (2/5) and lightweight texture make it suitable for most acne-prone skin. Not recommended if you have fungal acne specifically.

08

Results timeline

MONTH 2–3
Immediately

Instant Cooling & Hydration

Menthol delivers an invigorating cooling sensation. Skin feels instantly refreshed, moisturized, and energized. Non-greasy finish sets within seconds.

95% noticed instant freshness
Week 1–2

Improved Hydration & Texture

Glycerin, Panthenol, and Dimethicone build a moisture barrier. Skin feels consistently smoother and less tight throughout the day. Post-shave irritation reduced.

80% noticed smoother skin
Week 3–4

Visible Radiance Boost

Vitamin C (Ascorbyl Glucoside) begins to brighten the complexion. Skin tone appears more even, and dullness is noticeably reduced. Antioxidant protection builds up.

70% noticed brighter complexion
Month 2–3

Long-Term Skin Health

Continued antioxidant protection from Vitamins C and E helps resist environmental stressors. Chestnut extract strengthens the barrier. Skin appears healthier and more resilient overall.

65% noticed improved skin resilience
09

Ratings by platform

13K+ REVIEWS
Amazon
4.5
Rating
8,500+
Reviews
Main complaint: Price is high for the size; some find it too lightweight for dry skin
Sephora
4.3
Rating
1,200+
Reviews
Main complaint: Cooling sensation too strong for some; wish it included SPF
Ulta
4.4
Rating
800+
Reviews
Main complaint: Contains alcohol which can be drying; runs out quickly with twice-daily use
Kiehl's Website
4.5
Rating
3,000+
Reviews
Main complaint: Some users with very sensitive skin experienced mild irritation or hives
10

Pros & cons

BALANCED

Praised

  • Lightweight, non-greasy formula absorbs in seconds
  • Invigorating cooling menthol sensation wakes up the skin
  • Doubles as an excellent post-shave moisturizer
  • Contains proven antioxidants: Vitamin C, E, and Caffeine
  • Paraben-free and sulfate-free formulation
  • Pleasant, masculine citrus-menthol scent
  • Suitable for all skin types including oily
  • Heritage brand with 170+ years of expertise

Criticized

  • Contains Alcohol Denat. high in the ingredient list (potentially drying)
  • Not fungal acne (Malassezia) safe
  • No SPF protection included — requires separate sunscreen
  • Contains fragrance and menthol (may irritate very sensitive skin)
  • Higher price point compared to drugstore alternatives
  • May not provide enough moisture for very dry skin
  • Small tube (2.5 oz) runs out quickly with daily use
  • Contains Benzophenone-4 (UV absorber with some controversy)
11

Budget-friendly alternatives (dupes)

DUPES
82% Match
AM Facial Moisturizing Lotion With SPF 50
$17.49
Budget Pick

Lightweight, non-greasy formula with added SPF 30 protection. Contains ceramides and niacinamide for barrier support instead of caffeine. Fragrance-free and fungal acne safe. Lacks the energizing cooling sensation.

72% Match
Neutrogena Hydro Boost Gel-Cream for Men
$19.99
Budget Pick

Hyaluronic acid-based gel-cream with similarly lightweight, non-greasy texture. Provides excellent hydration but lacks antioxidant actives like Vitamin C, caffeine, and the characteristic cooling menthol kick.

68% Match
Brickell Men's Daily Essential Face Moisturizer
$24.00
Similar Price

Natural and organic formula with aloe vera, green tea, and Vitamin E. Lightweight and non-greasy like Facial Fuel but uses a different approach with botanical ingredients. No caffeine or menthol cooling effect.

12

Comparison with competitors

SIDE-BY-SIDE

Jack Black Double-Duty Face Moisturizer SPF 20

Key Actives Blue Algae + Sea Parsley + Vitamins A, C, E
Size 97ml (3.3 oz)
SPF SPF 20
Texture Lotion (slightly heavier)
Fragrance Yes (Light herbal)
Post-Shave Use Yes

Lab Series All-in-One Face Treatment

Key Actives Hyaluronic Acid + Peptides + Caffeine
Size 50ml (1.7 oz)
SPF None
Texture Gel-Cream (mattifying)
Fragrance Fragrance-Free
Post-Shave Use Yes

Clinique For Men Maximum Hydrator

Key Actives Hyaluronic Acid + Caffeine + Aloe Vera
Size 50ml (1.7 oz)
SPF None
Texture Gel-Cream (72hr hydration)
Fragrance Fragrance-Free
Post-Shave Use Yes
13

Storage & shelf life

12 MONTHS
Period After Opening (PAO)

12 months after opening

Storage

Store in a cool, dry place away from direct sunlight. No refrigeration required.

Packaging

Squeeze tube with screw cap. Recyclable packaging made with recycled materials.

Travel Friendly

Yes — 2.5 oz (75ml) is under the 100ml TSA/carry-on limit. Also available in 4.2 oz and 6.8 oz sizes.

13

Frequently asked questions

FAQ

Use with caution. The formula does not contain retinoids, salicylic acid, or hydroquinone — the most commonly flagged pregnancy concerns. However, it does contain Alcohol Denat. (denatured alcohol) and Menthol, which some healthcare providers may advise against. Kiehl's officially recommends consulting your physician regarding use during pregnancy or breastfeeding. Benzophenone-4 (a UV filter/stabilizer) is also present, which some sources flag during pregnancy.

No, this product is not fungal acne safe. It contains several ingredients that can feed Malassezia yeast, including Glyceryl Linoleate, Glyceryl Oleate, Glyceryl Linolenate, Zea Mays Germ Oil (Corn Germ Oil), Glycine Soja Oil (Soybean Oil), and C13-14 Isoparaffin. If you struggle with fungal acne, consider alternatives like CeraVe AM Lotion or a verified fungal-acne-safe moisturizer.

Yes, with consideration. The formula already contains a stable Vitamin C derivative (Ascorbyl Glucoside), so using it with additional Vitamin C serums is generally fine but may be redundant. It pairs well with retinol products used at night (apply Facial Fuel, wait for absorption, then apply retinol). For AHA/BHA use, apply acids first, let them absorb fully, then follow with Facial Fuel. The Alcohol Denat. in the formula combined with strong acids might increase dryness — monitor your skin and adjust frequency.

Kiehl's Facial Fuel Moisturizer is best suited for normal, oily, and combination skin types. Its lightweight, non-greasy texture and fast absorption make it particularly excellent for oily skin. It works well for combination skin as it hydrates without adding shine. It may be too light for very dry skin types, who might prefer the Kiehl's Ultra Facial Cream instead. Those with sensitive skin should patch test due to the fragrance and menthol content.

You will feel the cooling, energizing effect immediately upon application. Noticeable improvements in skin hydration and texture typically appear within 1–2 weeks of consistent use. The brightening effects from Vitamin C (Ascorbyl Glucoside) generally become visible after 3–4 weeks. Long-term antioxidant and barrier-strengthening benefits build over 2–3 months of regular use. Results vary based on skin type, climate, and overall routine.

Apply Facial Fuel after cleansing and any toner or serum steps. In a morning routine: Cleanser → Toner (optional) → Serum (optional) → Facial Fuel Moisturizer → Sunscreen. In an evening routine: Cleanser → Toner → Treatment/Serum → Facial Fuel Moisturizer. It also works perfectly as a post-shave moisturizer — simply apply to clean, freshly shaved skin for soothing hydration.

The overall comedogenic rating is low at 2/5. While it contains Cetyl Alcohol (rated 2/5) and small amounts of plant oils, the lightweight gel-cream formula is designed to absorb quickly without leaving residue. Most users with oily and acne-prone skin report no breakouts. However, everyone's skin is different — if you are extremely pore-sensitive, patch test on a small area first. The product is not officially labeled as non-comedogenic by Kiehl's for this version (the SPF version is labeled non-comedogenic).

The PAO (Period After Opening) is 12 months. The 2.5 oz (75ml) tube typically lasts 2–3 months with once-daily use, or about 6–8 weeks with twice-daily application. The larger 4.2 oz and 6.8 oz sizes offer better value for regular users. Store in a cool, dry place and ensure the cap is tightly closed after each use to maintain efficacy.

— Skincarisma verdict
4.3 / 5 ★★★★☆

Verdict: Kiehl's Facial Fuel Energizing Moisture Treatment is a proven, well-loved men's moisturizer that excels at what it promises — lightweight, non-greasy hydration with an energizing kick. The combination of Caffeine, Vitamin C, and Vitamin E delivers solid antioxidant protection, while the cooling menthol makes it a pleasure to use daily. It is best suited for normal to oily skin types and those who want their moisturizer to double as post-shave care. The main drawbacks are the alcohol content (potentially drying for dry/sensitive skin), lack of SPF, and the fact that it is not fungal acne safe. For the price, you get a reliable, heritage-brand formula that has earned its reputation as one of the top-selling men's moisturizers worldwide.

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.

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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

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Notable Effects & Ingredients

anti-aging Anti-Aging from 2 ingredient(s):
Caffeine Tocopherol
brightening Brightening from 2 ingredient(s):
Glycerin Ascorbyl Glucoside
wound Promotes Wound Healing from 3 ingredient(s):
Glycerin Panthenol Tocopherol
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!

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Ingredients Related to Skin Types

Click on icons for more information
dry-skin Dry Skin
3
oily-skin Oily/Acne-Prone Skin
1
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.

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Ingredient Safety Breakdown

EWG Health Ratings
Low risk
Medium risk
High risk
Unknown risk
42% 22% 35%

Product ingredient list

Showing first 5 of 45 ingredients
EWG CIR Ingredient Name & Cosmetic Functions Notes
1 Unknown
Water
Solvent, Skin Conditioning
2 A
Cyclohexasiloxane
Solvent, Skin Conditioning, Emollient, Hair Conditioning
0 Unknown
Alcohol Denat.
2 A
Glycerin
Solvent, Perfuming, Fragrance, Humectant, Viscosity Decreasing Agent, Hair Conditioning, Skin Protecting, Denaturant, Skin Conditioning
brightening Brightening
Promotes Wound Healing
Hydrating
1 Unknown
Propanediol
Solvent, Viscosity Controlling, Viscosity Decreasing Agent
VIEW ALL INGREDIENTS