The full review

LashExtend review: my honest take

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LashExtend is SeneGence’s lash serum. Instead of adding lashes on top, the way extensions or strip lashes do, it’s made to work with the lashes you already have. SeneGence pitches it as an alternative to false lashes and extensions, aimed at lash length and fullness. It sits with the skincare, not the makeup, and it doesn’t replace mascara.

A routine for the lashes you already have, not a quick fix for Saturday night.

The key ingredient is SenePeptide, a peptide complex SeneGence says helps boost keratin for stronger, fuller-looking lashes. Chamomile and white tea round out the formula. The honest trade-off: a serum is a routine, not an instant result. It suits someone who’s patient and consistent. If you want bigger lashes for a party on Saturday, that’s a different product.

At $60 for 0.125 fl oz, it’s a small bottle, so decide how you feel about regular use before you buy. For instant drama, the LashSense Lashes Bloom Box is SeneGence’s false-lash starter kit. For more length today, UnderSense Lash Primer under mascara costs $28.

LashExtend vs Lashes Bloom Box vs UnderSense Primer: which one should you get?

	LashExtend My pick	LashSense Lashes Bloom Box	UnderSense 3-in-1 Lash Primer
What it is	Lash serum	False-lash starter kit	Primer for under mascara
How it works	Cares for your own lashes	Adds lashes you apply	Boosts volume and length under mascara
Key detail	SenePeptide, chamomile, white tea	Lashify collaboration, bond technology	Conditions lashes
Price	$60	$75	$28
Pick it if	You want to skip extensions	You want instant drama	You want more from your mascara today

Where it fits in your skincare routine

1Fooops! Dual Phasemascara off23 in 1 Cleansercleanse3LashExtendyou are here4Evening Moisturizermoisturize

Lashes need to be clean and bare first. Fooops! Dual Phase removes SeneGence makeup, including waterproof mascara. Cleanse as usual, then apply LashExtend before moisturizer so creams don’t get in the way. Follow SeneGence’s own directions on the box for how often to use it.

What’s in it, in plain words

• SenePeptide: a peptide complex SeneGence says helps boost keratin for stronger, fuller-looking lashes.
• Chamomile: a familiar plant extract included in the formula.
• White tea: a plant extract included alongside chamomile.

My tips

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LashExtend FAQs

What is LashExtend?

SeneGence’s lash serum. It’s made for lash length and fullness, and SeneGence positions it as an alternative to false lashes and extensions. The key ingredient is SenePeptide.

Does LashExtend really work?

SeneGence says SenePeptide helps boost keratin for stronger, fuller-looking lashes. Any serum depends on consistent use, and it won’t give you the instant change that mascara or false lashes do.

Can I wear mascara with LashExtend?

Mascara is a separate step. Apply the serum on clean lashes as part of skincare, and mascara as part of makeup. Take mascara off fully with Fooops! Dual Phase before your next serum application.

LashExtend vs lash extensions: which is better?

Extensions and strips give an instant result but need upkeep. LashExtend works on your own lashes instead. If you want the instant option too, the Lashes Bloom Box is SeneGence’s false-lash starter kit.

How much does LashExtend cost?

$60 for 0.125 fl oz / 3.5 mL, and it’s eligible for Subscribe & Save. It’s sold on its own; it isn’t part of any current SeneGence set.