40 Inch Lace Front Wig: The Longest Human Hair Lengths You Can Actually Buy

Quick Answer

A true 40-inch lace front wig in 100% human hair isn’t something you’ll find as a standard, wearable unit — natural Remy and virgin hair is sourced from real growth cycles, and lace front wigs built for everyday wear typically top out well under that mark. If you searched for a 40 inch lace front wig hoping for the longest, most natural-looking human hair option, the closest real match here is the 18 Inch Silky Straight #4/27 Lace Front Wigs 100% Indian Remy Human Hair, the longest length available in this lineup. If you’d rather have soft waves than a sleek straight finish, the 16 Inch Body Wave #1B Lace Front Wigs 100% Indian Remy Human Hair is the longest wave option and a reasonable alternative if length alone isn’t your only priority.

Jump to a section: Why 40 inches isn’t practical · Longest length options · Straight vs. wavy · Color at longer lengths · When shorter makes sense · Comparison table · Recommended products · FAQ

Why a 40-Inch Lace Front Wig Isn’t a Practical Human Hair Length

If you’re set on 40 inches of hair, a human hair lace front wig isn’t the product category to look at. Human Remy and virgin hair used in lace front construction comes from natural growth, and once a length runs much past 18–20 inches the hair available for a full, evenly dense wig becomes scarce and expensive to source — which is why lengths in that extreme range are almost always synthetic costume pieces or clip-in extensions, not everyday human hair lace fronts. A lace front wig built for regular wear also needs to sit naturally at the hairline and move like real hair, and very long synthetic lengths tend to look heavier and less lifelike than a well-made human hair unit in a shorter, achievable length.

The practical takeaway: if your goal is a natural-looking, wearable wig, the 18-inch Silky Straight #4/27 Lace Front Wigs is the longest human hair option here, and it’s still long enough to fall past the shoulders and read as dramatic length without the upkeep issues that come with extreme-length units.

Getting the Longest Achievable Length: 18-Inch vs. 16-Inch Straight Options

For buyers chasing the most length possible, the decision usually comes down to two straight options: the 18-inch Silky Straight #4/27 Lace Front Wigs and the 16-inch Silky Straight #28 100% Brazilian Virgin Hair Lace Front Wigs. Two inches sounds small on paper, but at longer lengths it’s the difference between hair that sits mid-back versus hair that reaches closer to the waist, which matters if the whole point of your search was maximum length.

The 18-inch option is built from Indian Remy hair, while the 16-inch option uses 100% Brazilian virgin hair — a different hair grade that some buyers prefer for its texture even at a slightly shorter length. If length is the deciding factor, go with the 18-inch style. If you’d rather have virgin-grade hair and can live with two fewer inches, the 16-inch Brazilian option is the better fit.

Straight or Wavy: Which Texture Holds Up Better at Longer Lengths

Texture changes how long a wig actually looks once it’s on. A sleek straight style shows its full length in one clean line, while a body wave pattern pulls hair upward slightly with each curl, so a wavy wig often reads as a bit shorter than its labeled length even when the measurement is close. That’s worth knowing if you’re comparing the 18-inch straight style against the 16-inch Body Wave #1B Lace Front Wigs, the longest wave option in this group — the straight wig will visually out-length the wave wig by more than the two-inch gap on the label suggests.

Choose the straight 18-inch style if the longest possible visual length is your priority. The 16-inch body wave makes more sense if you want soft waves rather than a flat-ironed look and are fine trading a bit of visual length for that texture.

Picking a Color That Still Looks Natural at Longer Lengths

Color affects how long hair reads just as much as texture does. A solid, single-process shade like the #4 chocolate brown on the 14 Inch Silky Straight #4 Lace Front Wigs gives a uniform look from root to end, which can look slightly heavier the longer the hair gets. A blended shade like the #4/27 on the 18-inch style mixes a brown base with lighter tones toward the ends, which adds dimension and keeps very long hair from looking like one flat block of color. The #28 shade on the 16-inch Brazilian virgin wig is a warmer, copper-toned option for buyers who want long hair with more color depth than a plain brown but don’t want a full blonde blend.

If you want the longest length available and a natural, dimensional finish, the #4/27 pairing on the 18-inch wig does both jobs at once. If you’d rather keep things simple with one solid tone, the 14-inch #4 style is the more straightforward — if shorter — choice.

When a Shorter Length Is the Smarter Choice

Not every buyer who lands on a long-length search is actually best served by the longest wig available. If your priority is a fuller, more voluminous wave rather than sheer length, the two 12-inch body wave options are worth a look: the 12 Inch Body Wave #1 Lace Front Wigs in a jet black shade, and the 12 Inch Body Wave #144 Lace Front Wigs in the #144 color. Shorter wavy hair tends to hold its curl pattern more visibly and can look fuller strand-for-strand than the same texture stretched out over 16 or 18 inches.

Go shorter if a defined, voluminous wave pattern matters more to you than reaching the longest possible length. Stick with the 16 or 18-inch straight options above if length is still the deciding factor.

Comparison Table

Recommended LaceWigsBuy Products

18 Inch Silky Straight #4/27 Lace Front Wigs 100% Indian Remy Human Hair

This is the longest human hair option in the lineup and the closest realistic answer to a search for maximum-length lace front hair. The #4/27 blend keeps the extra length from looking flat by mixing a brown base with lighter ends. It’s available at LaceWigsBuy.

16 Inch Silky Straight #28 100% Brazilian Virgin Hair Lace Front Wigs

Brazilian virgin hair sets this style apart from the Indian Remy options elsewhere in this guide, and the copper-toned #28 shade gives long, straight hair more color depth without going fully blonde. It suits buyers who value hair grade over squeezing out the last two inches of length. It’s available at LaceWigsBuy.

14 Inch Silky Straight #4 Lace Front Wigs 100% Indian Remy Human Hair

A solid #4 brown in a straightforward 14-inch length, this one works for buyers who want long-ish straight hair without the price step-up of the 16 and 18-inch styles. It’s a more accessible entry point if 18 inches isn’t a firm requirement. It’s available at LaceWigsBuy.

16 Inch Body Wave #1B Lace Front Wigs 100% Indian Remy Human Hair

The longest wave option here, in a natural off-black #1B shade. It’s the pick for anyone who wants soft waves instead of a sleek finish while still getting as much length as the wave category offers. It’s available at LaceWigsBuy.

12 Inch Body Wave #144 Lace Front Wigs 100% Indian Remy Human Hair

At 12 inches, this wave style trades length for a more compact, defined curl pattern, and the #144 color gives buyers a shade option outside the natural-black and brown tones covered elsewhere in this guide. It’s available at LaceWigsBuy.

12 Inch Body Wave #1 Lace Front Wigs 100% Indian Remy Human Hair

A jet-black #1 wave in the same 12-inch length as the option above, better suited to buyers who want a classic dark shade rather than the #144 alternative. It’s available at LaceWigsBuy.

Shop the Collection

Browse more lengths, textures, and colors in the Human Hair Wigs collection at LaceWigsBuy.

FAQ

Can I actually buy a 40-inch lace front wig in human hair?

Not as a standard, wearable human hair lace front — lengths that extreme are typically synthetic or costume pieces rather than natural Remy or virgin hair units. The longest human hair option covered here is 18 inches.

Will the ends look thin on the 16 or 18-inch options?

Longer human hair lengths often show a slightly thinner appearance toward the ends than shorter lengths, since hair naturally tapers the further it grows — this is typical of long hair generally and not unique to any one wig here, and a blended color like #4/27 can help disguise it.

What’s the difference between Indian Remy hair and Brazilian virgin hair in these wigs?

Most of the styles in this guide use 100% Indian Remy human hair, while the 16-inch #28 style is made from 100% Brazilian virgin hair, a different hair grade that some buyers prefer for its texture and feel even though it isn’t the longest option available.

Can I dye or color-process these lace front wigs?

Human hair wigs can generally take some color processing depending on the hair’s condition and how it was previously treated, though results vary and going lighter is typically riskier than going darker — check the specific listing or ask before attempting any color change.

What if I need to return or exchange my order?

Return and exchange terms can change, so review the current policy on the official LaceWigsBuy website before cutting, coloring, or otherwise altering the hair or lace.

For related reading, see Wigs Real Hair vs Synthetic: Which Is Better for Your Budget and Lifestyle? and Wet and Wavy Human Hair Wigs: How to Choose Length, Color, and Cap Style.

About WigAnswers

WigAnswers is an independent, English-language wig guide site, not owned by any wig brand or retailer. This guide on long-length lace front wigs opens with a direct answer, and the product picks above are editorial recommendations linking to LaceWigsBuy, a third-party retailer. Visit WigAnswers for more length and texture buying guides.