How to grow a beard
The only thing that reliably grows a beard is not shaving it, and the only thing that reliably kills one is week two.
By Sawyer V. · Published
We have not tested any of this. Everything below is compiled from published manufacturer specifications, and the arithmetic is printed so you can check it. This page carries affiliate links: if you buy through one we earn a commission at no extra cost to you, and it does not change the order of the picks. Full disclosure.
The short version
Do not touch it for four weeks. Beard grows at roughly half an inch a month, so a shape you can actually judge does not exist before week four - and every edit made before then is made on incomplete information. Week two is when it itches and looks patchy, and it is when most beards get shaved off. Wash it, oil the skin underneath, and leave the trimmer in the drawer until the end of week four.
| # | Pick | Lasts | Score | Price |
|---|---|---|---|---|
| 1 | Cremo All-In-One Beard and Face Wash One bottle for beard and face | ~30 uses | 7.6/10 | $11.99 - view on Amazon |
| 2 | Honest Amish Classic Beard Oil A published list of actual oils | ~100 uses | 8.9/10 | $35.88 - view on Amazon |
| 3 | Kent Beard Brush Distributing oil through a real beard | 1,300 shaves* | 8.8/10 | $44.00 - view on Amazon |
| 4 | Wahl Aqua Blade Coarse hair and long gaps between charges | 1,300 shaves* | 7.9/10 | $69.99 - view on Amazon |
Prices last verified September 24, 2026. They move constantly; the figure on Amazon when you click is the real one.
The one number that sets everything
Half an inch a month. Roughly 1.25 cm, give or take by person. Every expectation on this page follows from it, and it is the number that makes most beard advice on the internet obviously wrong - a “one week to a fuller beard” article is describing something that cannot happen.
It also means the decisions are calendar decisions. At half an inch a month, a mistake at the neckline costs two months and a decision to shape too early costs the shape you would have had.
The four-week timeline
| Week | What is happening | What to do |
|---|---|---|
| 1 | Stubble. Looks deliberate already. | Wash it. Nothing else. |
| 2 | The itch. Looks patchy and untidy. | Oil the skin. Do not shave it off. |
| 3 | Itch fading. Shape starting to appear. | Neckline only. Nothing else. |
| 4 | First honest look at what you have. | Now you can trim and shape. |
| 8 | Length enough for a real silhouette. | Style decisions become possible. |
| 12 | Sparse areas have usually filled or not. | Judge patchiness now, not earlier. |
Week two, which is where beards die
The second week is uniformly the worst of it. The hair is long enough to itch and short enough to look like neglect rather than intent, and the sparse areas are at their most obvious because the dense areas have not yet grown over them.
Two things help and neither is a growth product.
- Wash the skin, not just the hair. Two or three times a week with a beard wash rather than daily with a face wash. The itch is happening at skin level.
- Oil the skin underneath. A few drops into the palms, fingers to the roots, then smooth the rest over the length. This addresses the dryness component of the itch, which is real even though the stubble component is not fixable.
Being honest about the products
Nothing you can buy makes beard grow faster. That is worth stating plainly, because a large part of this category is sold on the opposite implication.
- Beard oil improves the condition of the hair and the skin under it. It is worth owning from week two onward. The oil roundup ranks on published volumes and ingredient lists.
- A brush distributes your own sebum along the hair, which is the actual mechanism by which beards get softer. That roundup covers it.
- Supplements do nothing unless you have a deficiency, in which case that is a medical question rather than a grooming one.
- Growth serums without a published regulated active are selling the implication rather than the effect. Nothing on this site will recommend one.
What to do at week four
Now you have something to judge. In order:
- Set the neckline first. Two fingers above the Adam's apple, curving up behind the jaw. It is the edit that makes a beard read as deliberate, and it is the one most commonly cut two inches too high - the neckline guide is worth reading before you touch it.
- Then decide the length. Not before. And take less than you think - a trimmer removes in ten seconds what took a fortnight to grow.
- Shape last, if at all. Chin-versus-cheek contrast needs about 12 mm to be visible, which you do not have yet. The shape page explains the one rule that covers every face.
After that it becomes maintenance rather than a project, and the routine page covers what that actually looks like week to week.
Every pick, with the working
Each entry shows the published specifications, the axis scores they produce and what you give up. The order is the computed order, not a commercial one, and the arithmetic is open underneath every score.
Our pickOne bottle for beard and face
Cremo All-In-One Beard and Face Wash
177 ml formulated for coarse facial hair and rated for the skin underneath at the same time, which is the practical case for a beard wash existing at all. Published as 82 per cent top-allergen-free and without gluten, lanolin, talc or parabens - an unusual disclosure in this category.
- Volume
- 177 ml
- Fragrance
- Fragranced
- Refill
- Nothing to refill
- Warranty
- Not applicable
- How long it lasts
- 30 uses
Published key ingredients: Published allergen profile: 82% top-allergen-free, No lanolin, talc or parabens.
The arithmetic: 177 ml / 6 ml per wash (assumed) = about 30 washes.
What it gets right
- One product for beard and the face around it, so it replaces rather than adds
- Published allergen profile - 82% top-allergen-free, no lanolin, talc or parabens
- Formulated for coarse hair rather than borrowed from a shampoo line
- Widely stocked in ordinary retail
Flaws
- 177 ml is small next to an ordinary shampoo bottle
- Fragranced across the range
- A gentle facial cleanser does most of this job for less
The working behind the 7.6
- How long it lasts: 3.5
- 177 ml / 6 ml per wash (assumed) = about 30 washes. At five shaves a week, that is about 1.4 months. A 4-month supply scores 10 in this category, so 1.4 / 4 x 10 = 3.5.
- Ease of switching: 9.0
- Beard and face in one bottle removes a product from the routine rather than adding one (++), published allergen profile (+), 177 ml and fragranced across the range (-).
- Refill economics: 8.0
- Nothing to refill. The only future cost is replacing the item itself.
- What the maker publishes: 10.0
- 3 of 3 specifications a buyer would expect are published: volumeMl, keyIngredients, fragranceFree. 3 / 3 x 10 = 10.0.
Axes with no published input are dropped and the remaining weights re-normalized, so a product is not punished for a category where an axis does not apply. Specifications compiled 3 September 2026 from Cremo All-In-One Beard and Face Wash published profile.
2A published list of actual oils
Honest Amish Classic Beard Oil
60 ml of pumpkin seed, avocado, sweet almond, apricot kernel, kukui nut, argan and jojoba oils, with the essential oils that scent it named individually. The reason to buy it over anything cheaper is that you can read exactly what is in it, which in this category is unusual.
- Volume
- 60 ml
- Fragrance
- Fragranced
- Refill
- Nothing to refill
- Warranty
- Not applicable
- How long it lasts
- 100 uses
Published key ingredients: Pumpkin seed oil, Avocado oil, Sweet almond oil, Argan oil, Jojoba oil.
The arithmetic: 60 ml / 0.6 ml per application (assumed) = about 100 applications.
What it gets right
- Every carrier and essential oil named individually on a published list
- 60 ml — twice the volume of most beard oils sold at this price
- No mineral oil or silicone
Flaws
- Cedarwood, clove, star anise and cinnamon leaf is a strong, specific scent
- Several of the essential oils are common contact allergens, which matters on skin under a beard
The working behind the 8.9
- How long it lasts: 10.0
- 60 ml / 0.6 ml per application (assumed) = about 100 applications. At five shaves a week, that is about 4.6 months. A 3-month supply scores 10 in this category, so 4.6 / 3 x 10 = 10.0.
- Ease of switching: 8.0
- 60 ml, double the usual volume, and a fully itemized oil list (++), but a heavily scented essential-oil blend on the skin under a beard is the wrong starting point for anyone reactive (-).
- Refill economics: 8.0
- Nothing to refill. The only future cost is replacing the item itself.
- What the maker publishes: 10.0
- 3 of 3 specifications a buyer would expect are published: volumeMl, keyIngredients, fragranceFree. 3 / 3 x 10 = 10.0.
Axes with no published input are dropped and the remaining weights re-normalized, so a product is not punished for a category where an axis does not apply. Specifications compiled 3 September 2026 from Honest Amish Classic Beard Oil published ingredients.
3Distributing oil through a real beard
Kent Beard Brush
Hand-carved wood handle with specially cut and shaped boar bristle, from a firm that has made brushes in England since the eighteenth century. A beard brush is a distribution tool rather than a styling one: it drags the oil your skin makes from the roots out along the length, which is the job nothing else does.
- Material
- Boar bristle, hand-carved wood handle
- Made in
- England
- Refill
- Nothing to refill
- Warranty
- Not published
- Assumed service life
- 1,300 uses
The arithmetic: 260 shaves a year x 5 years of assumed service life = 1300 shaves.
What it gets right
- Boar bristle cut and shaped for coarse facial hair rather than borrowed from a hairbrush
- Hand-carved wood handle; no plastic to crack
- Stiff enough to reach skin, which is where beard itch lives
- Distributes oil along the hair, which is what actually softens a beard
Flaws
- Kent publishes very little beyond material and construction - no bristle length or density
- Boar bristle is an animal product
- A brush does nothing for a beard under about half an inch
The working behind the 8.8
- How long it lasts: not scored
- Not scored. This is a durable item, not a consumable, so how long it lasts is an assumption about service life rather than something the pack size tells us.
- Ease of switching: 8.5
- Stiff boar bristle reaches skin, which is the job (+), no plastic to fail (+), but Kent publishes no bristle length or density, so it cannot be compared numerically to anything (-).
- Refill economics: 8.0
- Nothing to refill. The only future cost is replacing the item itself.
- What the maker publishes: 10.0
- 2 of 2 specifications a buyer would expect are published: material, madeIn. 2 / 2 x 10 = 10.0.
Axes with no published input are dropped and the remaining weights re-normalized, so a product is not punished for a category where an axis does not apply. Specifications compiled 3 September 2026 from Kent beard brush published construction.
4Coarse hair and long gaps between charges
Wahl Aqua Blade
180 minutes of runtime from a 60-minute charge, a published 0.2 to 25 mm cutting range, 16 guide combs, fully waterproof, and a five-year warranty with a lifetime blade warranty behind it. On coarse or dense hair the extra motor headroom and the wider guard range are what you notice.
- Runtime
- 180 min
- Charge time
- 60 min
- Length settings
- 16
- Cutting range
- 0.2 - 25 mm
- Waterproof
- Yes
- Made in
- Not published
- Refill
- Proprietary to the maker
- Warranty
- 5 years, plus lifetime blade warranty
- Assumed service life
- 1,300 uses
The arithmetic: 260 uses a year x 5 years of assumed service life = 1300 uses.
What it gets right
- 180 minutes of published runtime — by a distance the longest here — and 3 minutes from a 1-minute charge
- 0.2 to 25 mm published cutting range, the widest in this ledger
- Fully waterproof and rinseable
- 5-year warranty plus a lifetime blade warranty, published by Wahl
Flaws
- 16 guide combs is a drawer's worth of plastic
- Model numbering across the 9899 family is confusing; variants differ in what is in the box
The working behind the 7.9
- How long it lasts: not scored
- Not scored. This is a durable item, not a consumable, so how long it lasts is an assumption about service life rather than something the pack size tells us.
- Ease of switching: 9.0
- 180 minutes of published runtime and a 1-minute quick charge mean the battery never enters the decision (++), waterproof (+), widest published length range here (+), 16 combs to store (-).
- Refill economics: 4.0
- Only this maker's refill fits, so the ongoing price is set by the maker rather than by a market. This is where the real cost of ownership hides.
- What the maker publishes: 10.0
- 7 of 7 specifications a buyer would expect are published: runtimeMin, chargeMin, minLengthMm, maxLengthMm, settings, waterproof, warrantyLabel. 7 / 7 x 10 = 10.0.
Axes with no published input are dropped and the remaining weights re-normalized, so a product is not punished for a category where an axis does not apply. Specifications compiled 3 September 2026 from Wahl Aqua Blade published specifications.
Prices last verified September 24, 2026. They move constantly; the figure on Amazon when you click is the real one.
Questions people actually ask
How fast does a beard grow?
Roughly half an inch a month - about 1.25 cm - though it varies by person and slightly by area of the face. Nothing you apply changes that rate. It is the single most useful fact for setting expectations, because it means a full beard is a season rather than a month.
Why does my beard itch in week two?
Freshly cut hairs have blunt ends that catch on skin as they grow past it. It peaks around week two and stops once the hair is long enough to bend away from the face. The itch page ranks the five causes; this one is temporary and no product shortens it.
Do beard growth products work?
Oils, balms and supplements do not increase growth rate - they improve the condition of hair that is already there, which is a different claim. The only topical with published regulated evidence for hair growth is minoxidil, which is a drug with a drug-facts label, and its use on the face is off-label. That is a doctor's conversation rather than a grooming site's.
Should I trim while growing it out?
Only the neckline, and only from about week three. Everything else stays untouched until week four at the earliest. Trimming the length while growing is how people end up perpetually at three weeks of beard.
When will I know if my beard is patchy?
Not before week four, and often not before week eight - hair in sparse areas frequently arrives later and slower rather than never. The patchy beard page covers what actually helps, and the first item on that list is also waiting.