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Do Eyelashes Grow Back? And How Long Does it Take?

10 May 2026
Do Eyelashes Grow Back? And How Long Does it Take?

Yes, eyelashes do grow back in most cases. As long as the hair follicle beneath the skin is healthy and undamaged, your lashes will naturally cycle back in - usually within six to twelve weeks. The exact timeline depends on what caused the loss in the first place, your age, your overall health, and how well you care for your lash line during recovery.

If you have noticed your lashes looking thinner, shorter, or patchier than usual, you are not alone - and for most people, this is a temporary situation. This guide walks you through everything you need to know: how lashes grow, what disrupts that process, how long regrowth takes by specific cause, and what you can do to support a healthy recovery.

Quick Answer

Do eyelashes grow back? Yes. Eyelashes typically regrow within 6 to 12 weeks for everyday causes such as accidental pulling or normal shedding. After lash extension damage, allow 12 to 16 weeks. After chemotherapy, lashes usually begin returning within a few weeks of treatment ending and reach full regrowth within three to six months. Permanent loss is rare and is usually only linked to scarring of the follicle itself.

Understanding the Eyelash Growth Cycle

Your eyelashes do not all grow and shed at the same time. Each individual lash follows its own schedule through three biological phases. Understanding this cycle explains why you might notice a few lashes on your pillow without anything being wrong - and why regrowth after loss is almost always possible.

Most adults have between 90 and 150 lashes along the upper lid and 70 to 80 along the lower. Each one grows from a tiny follicle embedded in the eyelid, and each follicle independently cycles through growth, transition, and rest.

Phase 1: Anagen (Active Growth)

The anagen phase is when the lash is actively getting longer. The follicle is working hard, producing new cells that push the hair shaft outward from the root. For eyelashes, this phase lasts between 30 and 45 days - significantly shorter than scalp hair, which is why lashes have a natural length limit. Your genetics largely determine how long your anagen phase runs, which is why some people naturally grow longer or fuller lashes than others.

Phase 2: Catagen (Transition)

Once the lash reaches its full length, it enters the catagen phase. Growth stops. The follicle begins to shrink and detaches from the blood supply that was feeding it. This phase lasts roughly two to three weeks. The lash is still in place, but it is no longer getting any longer or thicker.

Phase 3: Telogen (Rest and Shedding)

The final phase is the longest, lasting anywhere from four to nine months. The old lash rests in the follicle while a new one quietly begins forming underneath it. Eventually, the old lash is pushed out naturally - which is what you are seeing when a lash appears on your cheek or your pillow. This is completely normal. Losing one to five lashes per day is within the healthy range.

The reason this cycle matters for regrowth is simple: if something disrupts the anagen phase, or if multiple follicles are pushed into rest at the same time by trauma or illness, the lash line can look noticeably sparse before the new cycle begins.

Eyelash Regrowth Timeline by Cause

This is the question most people actually want answered. Below is a structured breakdown of how long eyelash regrowth takes depending on the specific cause of loss. These are general timeframes; individual results vary based on age, health, and how well the follicle was preserved.

Cause of Loss Typical Regrowth Timeline Notes
Accidentally pulled out a single lash 6 to 8 weeks Follicle is intact; normal cycle resumes
Rubbing or friction (allergies, habit) 6 to 8 weeks Stop the rubbing first or lashes continue to thin
Lash extension damage (traction) 12 to 16 weeks Longer if follicles were repeatedly stressed
Waterproof mascara / aggressive removal 6 to 10 weeks Address removal technique to prevent recurrence
Burns (minor, follicle intact) Approximately 6 weeks Severe burns that destroy the root may cause permanent loss
Blepharitis (eyelid inflammation) Weeks to months Must treat the underlying inflammation first
Thyroid disorder A few months Requires medical treatment and thyroid stabilisation
Trichotillomania 2 to 6 months May not regrow if follicles are repeatedly traumatised
Alopecia areata Months to years, highly variable Depends on follicle health; no guaranteed timeline
Chemotherapy Weeks to months after treatment ends Often returns with slightly different texture or colour
Menopause-related thinning Gradual; may not fully reverse without support Hormone changes slow the growth cycle long-term
Nutritional deficiency Weeks to months once deficiency is corrected Iron and biotin deficiencies are the most common culprits

One important nuance: when multiple lashes fall out at the same time - as can happen after aggressive extension removal or an allergic reaction - many follicles enter the resting phase together. This means the lash line can look suddenly and noticeably sparse before any visible regrowth appears. This is normal and does not mean the follicles are permanently damaged.

What Causes Eyelash Loss?

Lash Extensions and Traction Alopecia

Lash extensions are one of the most significant causes of lash loss seen today. Extensions add weight to the natural lash, and that sustained tension over time can cause a condition known as traction alopecia - a gradual weakening and eventual loss of lashes caused by chronic pulling at the follicle.

The risk increases with:

  • Extensions that are too heavy for your natural lash length
  • Extensions applied too close to the lash root, restricting follicle movement
  • Adhesive that bonds natural lashes together, creating unnatural tension when any one lash sheds
  • Infills left too long, increasing the weight on a growing lash

Allergic reactions to lash glue can also cause eyelid inflammation that disrupts the follicular environment. If your lashes have thinned noticeably after extension use, give your lash line a complete break. Most clients see visible new growth within 12 weeks, with full recovery by 16 weeks, provided the follicles were not permanently scarred.

To protect lashes while you wait, strip lashes and magnetic lashes are gentle alternatives that sit on top of the skin rather than attaching to individual hairs.

Trichotillomania

Trichotillomania is a body-focused repetitive behaviour disorder that causes an urge to pull out hair - including eyelashes. It affects far more people than commonly known and is often connected to anxiety, stress, or habitual self-soothing.

Healthy follicles will continue to produce new lashes even after repeated pulling. However, the more frequently a follicle is traumatised, the greater the risk of permanent damage to the root. If trichotillomania is affecting your lashes, speaking with a GP or therapist is the most important first step - regrowth support is secondary to addressing the root cause.

Alopecia

Alopecia is an autoimmune condition in which the immune system mistakenly attacks hair follicles, causing partial or complete hair loss. It can affect the scalp, brows, lashes, and other body hair. There is currently no cure, but as long as the follicles are not permanently destroyed, regrowth remains possible. Treatment from a dermatologist can help manage flare-ups and support regrowth during periods of remission.

Chemotherapy

Certain chemotherapy drugs target rapidly dividing cells throughout the body - and hair follicle cells divide quickly, making them vulnerable. Lash loss typically begins within the first few weeks of treatment and continues through the course. Most patients begin to see lash regrowth within two to three months of treatment ending. Regrown lashes may initially feel slightly different in texture or appear a little thinner before settling into their normal pattern.

Blepharitis and Eyelid Inflammation

Blepharitis is a chronic inflammation of the eyelid margin, often caused by blocked oil glands or a bacterial imbalance at the lash line. When left untreated, it can damage the follicular environment and prevent healthy lash regrowth. Signs include red, itchy, scaly eyelids and a gritty or burning sensation around the eyes. Treatment is straightforward - warm compresses, gentle lid cleaning, and in some cases a short course of antibiotic drops from your GP - and once the inflammation is controlled, lashes typically resume normal growth within weeks to months.

Thyroid Disorders

Both an overactive thyroid (hyperthyroidism) and an underactive thyroid (hypothyroidism) can disrupt the hair growth cycle, causing lashes to thin or fall out. Thyroid-related lash loss tends to be gradual rather than sudden, and it usually affects lashes across the whole lid rather than in patches. With appropriate medical treatment and thyroid stabilisation, lashes typically begin recovering within a few months.

Skin Conditions

Conditions that cause inflammation or scarring near the lash line - including psoriasis, eczema, and rosacea - can affect lash health. Treatment of the underlying skin condition is usually required before lash regrowth can progress normally.

Nutritional Deficiencies

Hair follicles are metabolically active and require a steady supply of nutrients to function. Iron deficiency is one of the most common and underdiagnosed causes of hair loss in women. Biotin, zinc, and protein are also important. If your lashes are thinning without an obvious cause, it is worth asking your GP for a blood test to rule out deficiencies.

Genetics, Age, and Smoking

Lash growth naturally slows with age as cell turnover decreases, and lashes may become finer and shorter over time. Genetics determine your baseline lash thickness, length, and growth rate. Smoking has also been associated with reduced hair follicle activity and accelerated ageing of the skin around the eyes.

Menopause and Eyelash Loss

Menopause is not often discussed in the context of lash health, but it is a very real concern for many women. The hormonal changes that accompany perimenopause and menopause - particularly the decline in oestrogen - can affect the hair growth cycle throughout the body, including the lash line. Lashes may become shorter, finer, and slower to grow back after natural shedding.

Unlike lash loss from a single incident such as pulling or extension damage, menopause-related thinning is gradual and tends to continue over time rather than reversing on its own. Supporting the lash cycle with a targeted growth serum and a nutrient-rich diet can help maintain what you have. If lash thinning during menopause is causing you distress, a conversation with your GP about hormonal health is worthwhile - hair changes are a recognised menopause symptom.

How to Care for Lashes While They Grow Back

Recovery starts with stopping the cause - but there is a lot you can do in the meantime to give your follicles the best environment for regrowth.

1. Remove makeup gently, every night. Leaving eye makeup on overnight is one of the easiest ways to clog lash follicles and cause unnecessary lash breakage. Use a gentle, oil-based eye makeup remover and press it lightly against the lashes rather than rubbing. Avoid rough cotton rounds around the eye area.

2. Avoid waterproof mascara during recovery. Waterproof formulas grip the lash shaft more tightly and require more friction to remove - which adds stress to already-vulnerable follicles. Stick to a gentle, conditioning formula while your lashes recover, or skip mascara entirely for a few weeks.

3. Take a break from extensions and lash curlers. If extension damage is the cause, a complete break is essential. Lash curlers can also snap lashes at the base, particularly if used on wet lashes or with too much pressure. If you want to use a lash curler during recovery, use it on clean, dry lashes only and apply minimal pressure. Browse our lash curlers if you are looking for a gentler option.

4. Stop rubbing your eyes. Rubbing the eye area - whether from allergies, tiredness, or habit - is a significant cause of mechanical lash loss. If allergies are driving the urge to rub, speak to your pharmacist about antihistamine options.

5. Support from within. Eat a varied diet with adequate protein, iron-rich foods, biotin-containing foods such as eggs, nuts, and seeds, and plenty of vitamins C and E. If you have been unwell or have restricted your diet significantly, consider speaking to your GP about a blood test.

6. Keep the lash line clean. A build-up of makeup residue, dead skin, and sebum at the lash line can inhibit healthy follicle function. A gentle micellar water applied with a soft cloth or cotton bud along the lid margin will keep the follicular environment clear.

Lash Serums: What They Do and What to Look For

Lash growth serums have grown significantly in popularity, and when used consistently, many users report lashes that appear longer, fuller, and more conditioned within a few months. It is important to understand what these products can and cannot do.

Over-the-counter lash serums work by supporting the conditions in which the follicle operates. They typically contain peptides, amino acids, vitamins, and conditioning agents that may help support the lash growth cycle and reduce breakage and shedding. They do not create new follicles, but they may help existing ones perform more efficiently.

A note on claims: the ASA regulates how cosmetic lash serums can be marketed in the UK. Products that claim to clinically "grow" lashes require a prescription. Over-the-counter serums are cosmetic and may help support the lash growth cycle - but individual results vary and no cosmetic serum can guarantee a specific outcome.

Our lash serum collection includes serums from trusted brands. Three worth considering:

Apply serums to clean, dry skin at the lash line - usually once daily in the evening. Consistency is key; most serums take six to twelve weeks of regular use before visible change is noticeable.

Mascara Alternatives While Your Lashes Recover

One of the most common questions during lash recovery is: can I still wear something while I wait? The answer is yes - and there are several options that are far kinder to vulnerable follicles than mascara or extensions.

Strip Lashes

Strip lashes sit on the lash line rather than attaching to individual hairs, making them gentle for lashes in recovery. They come in a huge range of styles, from barely-there naturals to fuller, more dramatic looks.

For a natural finish during recovery, we recommend:

Browse the full natural lashes range for options designed to blend seamlessly with a shorter lash line.

Pre-Glued Lashes

Pre-glued lashes remove the need for separate adhesive, making application quicker and reducing the risk of getting glue too close to the follicle. The Eylure Pre-Glued Volume Lashes 100 is a reliable, easy-to-apply option for those new to strip lashes.

Magnetic Lashes

Magnetic lashes require no adhesive at all - they grip using a magnetic liner or sandwich your natural lashes between two magnetic strips. This makes them particularly well suited to lash recovery periods, as there is no glue near the lash line and removal is gentle.

Natural Lash Hygiene: Five Daily Habits

Good daily habits are the foundation of a healthy lash environment.

  1. Always remove eye makeup before bed. Overnight residue weakens the lash shaft and can clog follicles.
  2. Use a gentle cleanser around the eyes. Avoid any product with harsh alcohols or fragrance close to the lash line.
  3. Pat, do not rub, when drying your face. Friction from towels damages the lash shaft and the delicate skin of the lid.
  4. Avoid sharing eye makeup or applicators. This reduces the risk of bacterial or mite-related eyelid infections.
  5. Replace mascara every three months. Old mascara harbours bacteria that can cause blepharitis and other follicle-disrupting infections.

Frequently Asked Questions

Do eyelashes grow back?

Yes. In the vast majority of cases, eyelashes grow back naturally as long as the hair follicle beneath the skin is healthy and not permanently scarred. The typical regrowth timeline is six to twelve weeks, depending on the cause of loss.

How long do eyelashes take to grow back after being pulled out?

If an individual lash is accidentally pulled from the root, it typically regrows within six to eight weeks. The follicle remains intact and simply needs to cycle through its natural phases again. If lashes are pulled out repeatedly over time - as in trichotillomania - the follicle can be damaged and regrowth may take longer or become incomplete.

How long does it take for lashes to grow back after extensions?

After lash extension damage, most people see noticeable new growth within 12 weeks and full recovery by around 16 weeks. If the lash line was significantly stressed from very heavy extensions or frequent infills without breaks, it may take a little longer. Taking a complete break from extensions and keeping the lash line clean gives follicles the best chance of recovering quickly.

Do eyelashes grow back after chemotherapy?

Yes. Lash loss from chemotherapy is almost always temporary. Most patients begin to see new lash growth within two to three months of finishing treatment. Regrowing lashes may initially feel slightly different in texture or appear finer before settling into a normal pattern over the following months.

Why are my eyelashes falling out?

Common causes include: mechanical stress from lash extensions, waterproof mascara removal, or rubbing the eyes; medical conditions such as thyroid disorders, alopecia, or blepharitis; nutritional deficiencies (particularly iron and biotin); hormonal changes including menopause; and certain medications. If you are losing lashes in clumps or noticing bald patches that are not recovering after six to eight weeks, it is worth speaking to your GP to rule out an underlying cause.

Can eyelashes stop growing permanently?

Permanent lash loss is uncommon but possible when the follicle itself is physically damaged - typically through scarring from burns, severe infections, or many years of repeated trauma. In most other situations, the follicle remains capable of regrowth.

Do eyelashes grow back thicker or thinner?

Lashes that grow back after loss from illness, medication, or hormonal change may initially return finer or slightly different in texture. Over subsequent cycles, they typically return to something close to their original character. There is no reliable method to permanently change lash thickness, though serums and good nutrition can support the quality of each individual lash.

Does menopause cause eyelash loss?

Yes. The decline in oestrogen during perimenopause and menopause can slow the hair growth cycle throughout the body, including the lash line. Lashes may become finer, shorter, and slower to recover after natural shedding. This tends to be an ongoing process rather than self-correcting. Lash serums and a nutrient-rich diet can help maintain lash health during this period.

Can I wear false lashes while my eyelashes are growing back?

Yes - provided you choose options that are gentle on the lash line. Strip lashes, pre-glued lashes, and magnetic lashes all sit on or near the skin rather than attaching to individual hairs, making them far less stressful for follicles in recovery than extensions. Avoid lash glues if you have eyelid inflammation or a sensitivity to adhesives.

How can I make my eyelashes grow back faster?

You cannot speed up the biological cycle itself, but you can support the conditions for healthy regrowth: remove the cause of loss, keep the lash line clean, eat a diet rich in protein, iron, and biotin, avoid mechanical stress, and consider a targeted lash serum applied consistently each evening. Do not apply oils, serums, or home remedies directly inside the eye - keep all products to the skin at the lash line only.

Does castor oil help eyelashes grow back?

Castor oil is popular as a home remedy for lash regrowth, but the scientific evidence for it directly stimulating growth is limited. It does have conditioning properties that may reduce lash breakage and make existing lashes appear healthier and shinier. If you choose to try it, apply a very small amount to the lash line using a clean wand. Speak to your GP before applying anything new to the eye area if you have any existing eye conditions.

When should I see a doctor about eyelash loss?

See your GP if: you are losing lashes in clumps or noticing significant bald patches; lashes have not begun to regrow after six to eight weeks of normal care; you are experiencing other symptoms such as eyelid pain, swelling, or redness; or the lash loss started alongside other hair loss on your scalp or brows. These may indicate an underlying condition that benefits from medical assessment.

Are lash growth serums safe to use?

Over-the-counter lash serums sold as cosmetics in the UK are generally considered safe for most people when used as directed. Apply to the skin at the lash line rather than inside the eye. If you wear contact lenses, wait a few minutes after applying before putting lenses in. Always read the full product instructions before use.

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