**Licking**: Cats have an innate obsession with licking. Research indicates that adult felines can spend up to 8% of their waking hours grooming themselves using their tongues. This behavior serves not only a personal hygiene purpose but also plays a vital social role, as adult cats often lick one another before mating.

But what about their interactions with humans? Why do cats lick people? Fortunately, there’s no evidence suggesting that your cat is treating this as part of a pre-mating ritual. Unfortunately, scientists and cat behaviorists are still piecing together the reasons behind this puzzling behavior of cats licking human skin.

While a definitive explanation is still elusive, several theories attempt to explain why domestic cats engage in this licking behavior. Spoiler alert: Your feline friend might not enjoy all of them.

<h2 class="wp-block-heading" id="h-why-do-cats-lick-people">Why Do Cats Lick People?</h2>
<p>There's no singular explanation for your cat's licking behavior. However, three primary theories have emerged regarding why domestic cats exhibit this action:</p>
<ul class="wp-block-list">
    <li>It demonstrates trust.</li>
    <li>They are gathering biochemical information from your skin.</li>
    <li>They are marking you as their territory.</li>
</ul>

<h3 class="wp-block-heading" id="h-the-trust-theory"><strong>Trust Theory</strong></h3>
<p>Cats may lick you to indicate that they trust you or, at the very least, that they do not see you as a serious rival. Dr. <a href="http://www.problempets.co.uk/about.asp" target="_blank" rel="noreferrer noopener">David Sands</a>, an expert in animal psychology with over 25 years of clinical experience, notes that this licking is akin to allogrooming among cats. This mutual grooming strengthens their bond, a behavior learned from their mothers during kittenhood.</p>
<p><strong>Read more:</strong></p>
<p>"Ultimately, adult cats will only lick other cats they trust and do not view as competition. This affectionate grooming behavior can also be transferred to humans. From their perspective, cats categorize beings as either competitive or non-competitive.</p>
<p>"If your cat licks you, it's not necessarily an affectionate gesture, but it’s still a positive sign of recognition, not rivalry." <em/></p>

<figure class="wp-block-image size-landscape_thumbnail">
    <img loading="lazy" decoding="async" width="940" height="627" src="https://c02.purpledshub.com/uploads/sites/41/2021/04/cat-licking-1969c3a.jpg?webp=1&amp;w=1200" alt="A cat licking a person's face." class="wp-image-76541" title="Licking Cat © Getty"/>
    <figcaption class="wp-element-caption">Helpful note: Always consider where your cat last licked before allowing this - Photo credit: Getty</figcaption>
</figure>

<p>If you’re uncertain, take a cue from the cleverly titled Lincoln University study: <em>Domestic cats show no signs of attachment to their owners</em>. Researchers swapped owners with 20 cats and found the felines deepened their bonds with strangers based on behaviors like play and mirroring.</p>
<p>The researchers concluded: "These results suggest that adult cats typically maintain autonomous social relationships and do not rely on humans for security."</p>

<h3 class="wp-block-heading" id="h-the-biochemical-theory"><strong>Biochemical Theory</strong></h3>
<p>This theory is straightforward: cats lick you to explore the interesting scents on your skin. According to Dr. Sands, "Cats’ taste buds are so refined that they can detect pheromones or scents from other animals on your skin." </p>
<p>"There may also be residues from food you've eaten, such as salt or moisturizer. These intriguing scents draw cats in, encouraging them to lick."</p>

<h3 class="wp-block-heading" id="h-the-possession-play-theory"><strong>Possession Play Theory</strong></h3>
<p>As Dr. Sands notes, cats are essentially "head-to-tail sniffing machines." Their favorite scent? Their own! Cats are so enamored with their unique scent that they often want to replace other smells with theirs.</p>
<p>"This explains why they lick themselves after being petted—it's a way to eliminate your scent!" says Sands.</p>
<p>"Much of a cat's behavior centers around territory and ownership. When they groom humans, they might be removing scents and marking you with their own to say, 'This is mine! You're mine!'"</p>
<p>Many people mistakenly believe that when cats rub against or lick you, it represents affection. However, in reality, cats are quite possessive, and the more they can mark you with their scent, the better!</p>