Is Puffery Advertising Legal In New Zealand?

If you run a small business, you’ve probably wondered where the line is between “good marketing” and “misleading advertising”. You want your ads to stand out, but you also don’t want a complaint landing in your inbox (or worse, a regulator asking questions).

That’s where puffery advertising can come in. It can be a legitimate way to promote your product or service - but it’s not a free pass to say anything you like.

In this guide, we’ll break down what puffery advertising is, when it’s generally allowed in New Zealand, when it can become misleading (and illegal), and how to keep your marketing confident and compliant.

What Is Puffery Advertising?

Puffery advertising is promotional language that’s exaggerated, subjective, or clearly opinion-based - the kind of claim that most reasonable customers wouldn’t take as a literal statement of fact.

Puffery is usually about impressions rather than proof. It’s the marketing equivalent of saying “we’re proud of what we do” and then turning the volume up.

Common Examples Of Puffery Advertising

Depending on context, puffery might include claims like:

• “The best coffee in town”
• “Unbeatable service”
• “Premium quality you can trust”
• “World-class results”
• “Your #1 choice”

These statements are usually considered subjective and hard to measure. That’s important because measurable, factual claims can trigger legal obligations to substantiate what you’ve said.

Why Puffery Matters For Small Businesses

When you’re competing in a crowded market, puffery advertising can feel like the easiest way to communicate value quickly. Used carefully, it can be a helpful tool - especially in short formats like social media, web banners, flyers, or packaging.

But if puffery crosses into something customers could reasonably treat as a factual promise, it can create real risk under New Zealand consumer law.

Is Puffery Advertising Legal In New Zealand?

In general, puffery advertising is legal in New Zealand when it stays in the realm of obvious exaggeration or opinion - and doesn’t mislead consumers. Whether something counts as “puffery” is highly context-dependent: the wording, the audience, the product category, and the overall presentation all matter.

The key law to be aware of is the Fair Trading Act 1986. This Act prohibits businesses from engaging in misleading or deceptive conduct, or making false or misleading representations in trade.

So the legal question isn’t “Is puffery allowed?” so much as:

• Is your statement clearly an opinion/exaggeration?
• Would a reasonable customer rely on it as a factual promise?
• Do you have evidence to support it if it looks like a factual claim?

When you’re planning ad copy, it also helps to think practically: if a customer complained, could you confidently explain why your statement was obviously promotional (and not a factual claim)? If the answer is “maybe not”, it’s worth tightening the wording.

It’s also worth remembering that advertising in New Zealand is commonly assessed not only under legislation (like the Fair Trading Act), but also under industry standards and complaint processes - for example, the Advertising Standards Authority (ASA) Codes. An ASA complaint doesn’t require a regulator to get involved to create cost, disruption, or reputational impact.

If your business collects customer details through marketing (like online forms, newsletters, or promotions), it’s also worth making sure your Privacy Policy reflects what you do with that information, because marketing compliance isn’t just about what you say - it’s also about how you operate.

Where Is The Line Between Puffery And Misleading Advertising?

This is where most businesses get stuck. Puffery advertising becomes risky when:

• the statement becomes specific or measurable
• it suggests guaranteed outcomes
• it makes a comparison you can’t back up
• it leaves out important context (so the overall impression is misleading)

Even if you don’t intend to mislead anyone, the law focuses heavily on the overall impression your marketing creates.

Red Flags That Your “Puffery” Might Be Treated As A Claim Of Fact

Here are some common situations where businesses accidentally cross the line:

• Using numbers or rankings: “#1 in NZ”, “Rated 5 stars”, “50% faster”
• Guarantees or certainty language: “Will cure”, “Will increase sales”, “100% safe”, “No side effects”
• Scientific or technical claims: “Clinically proven”, “Tested to meet X standard”
• Price or savings claims: “Cheapest”, “Lowest price”, “Best value”
• Before-and-after results: especially in health, beauty, or fitness services

These claims might be fine - but only if they’re accurate and you can substantiate them. Otherwise, the statement could be misleading under the Fair Trading Act.

Be Careful With “Fine Print” Disclaimers

Some businesses try to solve risk by adding disclaimers (like “results may vary”) in tiny text at the bottom of an ad.

Disclaimers can help, but they don’t automatically protect you if the main headline is misleading. If the overall impression is still likely to mislead, that’s a problem.

If you use disclaimers in marketing, it’s worth making sure they work alongside your website and sales wording - including your Website Terms And Conditions - so customers aren’t getting conflicting messages at different stages of the buying process.

What Laws Apply To Puffery Advertising For NZ Businesses?

Even though “puffery” isn’t a defined legal category in a single statute, your advertising still needs to comply with the broader legal framework around consumer protection and commercial conduct.

Fair Trading Act 1986 (Core Advertising Law)

The Fair Trading Act is usually the main focus for advertising and marketing compliance. It broadly prohibits:

• misleading or deceptive conduct
• false or misleading representations (for example, about price, quality, origin, suitability, benefits, or sponsorship)
• unsubstantiated representations (claims you don’t have reasonable grounds for)

In practice, this means that if your puffery advertising reads like a factual claim (or implies one), you should be confident that you can back it up.

Consumer Guarantees Act 1993 (Promises About Quality And Performance)

The Consumer Guarantees Act 1993 can also matter, especially if your advertising creates expectations about:

• acceptable quality
• fitness for purpose
• matching descriptions

Even if your wording is technically “marketing”, if it becomes part of what a customer relied on when buying, it can contribute to disputes about whether what you delivered matches what was promised.

This is particularly important for service businesses (like trades, digital services, coaching, or professional services), where your scope and deliverables should be nailed down in a proper Service Agreement.

Special Rules For Certain Sectors (Health, Finance, Kids, Regulated Products)

Some types of advertising have extra layers of regulation and higher risk, including:

• health and wellness products/services (especially therapeutic or medical-like claims)
• financial products and services
• products marketed to or used by children
• regulated industries with specific codes or licensing conditions

If you’re in one of these areas, “puffery” can be much harder to rely on, because regulators, industry bodies, and consumers tend to treat claims more seriously. In some cases, you may need to meet additional legal and code-based requirements beyond the Fair Trading Act (for example, sector-specific rules and ASA Code expectations).

How Can You Use Puffery Advertising Safely? (Practical Tips)

The goal isn’t to make your marketing bland. It’s to make your marketing bold and compliant - so you can grow confidently without worrying you’ve accidentally stepped into misleading advertising territory.

1) Keep Puffery Clearly Subjective

Words like “best”, “amazing”, “premium”, and “unmatched” are generally safer when they’re clearly presented as opinion. Consider pairing them with brand storytelling, rather than “proof-like” statements.

For example:

• Lower risk: “We’re passionate about making premium skincare you’ll love.”
• Higher risk: “Our skincare is clinically proven to remove wrinkles in 7 days.”

2) Avoid Making Comparisons You Can’t Substantiate

Claims like “cheapest”, “fastest”, or “#1” can be risky unless you can prove them (and keep that proof current).

If you want to use comparison language, you might instead say something like:

• “Great value” instead of “the cheapest”
• “One of our most popular packages” instead of “#1 in NZ”

3) Don’t Accidentally Promise Outcomes

A common trap is outcome-based marketing - particularly for marketing agencies, consultants, coaches, and health/fitness providers.

If your ad implies guaranteed results (“double your sales”, “get hired in 30 days”, “pain-free forever”), that’s more likely to be treated as a representation a customer relied on.

A better approach is to describe your process, your experience, and what’s included - and make sure the deliverables are clearly set out in your customer contract or Business Terms.

4) Make Sure Your Claims Match The Customer Journey

It’s not just your Instagram ad that matters. Customers may also see:

• your website
• FAQs
• checkout pages
• email marketing
• sales calls or DMs
• invoices and terms

If your ad says “no lock-in” but your terms have a 3-month minimum, that mismatch can create disputes quickly.

Having consistent, written terms (and updating them as your offer changes) is one of the easiest ways to prevent misunderstandings turning into legal problems.

5) Get Clear Internally On Who Can Post What

If you have staff or contractors posting on your business’s behalf, put some guardrails in place. It’s easy for a well-meaning team member to post something like “guaranteed results” or “the best in NZ” without thinking about legal risk.

This is especially important if your business works with influencers or brand ambassadors - you’ll want agreements that control what they can claim and require them to follow your approval process. If you’re engaging marketing support, it can help to document deliverables and responsibilities in a clear Marketing Service Agreement.

Key Takeaways

• Puffery advertising is usually exaggerated or opinion-based marketing that customers wouldn’t treat as a literal statement of fact.
• Puffery advertising can be legal in New Zealand, but it must not be misleading or deceptive under the Fair Trading Act 1986 (and it may also attract complaints under the ASA Codes depending on the context).
• The line is often crossed when claims become specific, measurable, comparative, or outcome-based (especially if you can’t substantiate them).
• Be particularly careful with “#1”, “cheapest”, “guaranteed results”, “clinically proven”, and similar wording - these can trigger higher compliance expectations.
• Make sure your advertising matches your wider customer journey, including your website wording, sales messages, and terms.
• Strong legal foundations (like clear customer terms, service agreements, and privacy compliance) help prevent marketing disputes from turning into major business issues.

If you’d like help reviewing your advertising claims, tightening up your customer terms, or making sure your marketing is compliant from day one, you can reach us at 0800 002 184 or team@sprintlaw.co.nz for a free, no-obligations chat.