Strategic Analysis

The Case for
NCAC-First Bidding

A data-driven analysis of Vegamour's Google Ads account revealing why transitioning to New Customer Acquisition Cost as the primary optimization metric will unlock sustainable, profitable growth.

Analysis Period
Jul 18 – Aug 17, 2026
Total Spend
$240,627
Campaigns
15 Active
Platform
Google Ads
1 Current State

Account Performance Overview

Across 15 active campaigns over the last 31 days, the account has generated $632,660 in tracked conversion value on $240,627 in spend, yielding a blended 2.63x ROAS. However, this headline number masks a critical issue: the vast majority of conversions are from returning customers.

Total Spend
$240,627
$7,762 / day avg
Conversions
6,319
All conversion actions
Revenue
$632,660
Tracked conversion value
Blended ROAS
2.63x
Revenue / Spend
Blended CPA
$38.08
All customers
Clicks
152,952
9.59M impressions
Campaign Spend Conv Revenue ROAS CPA Bidding
Branded Search USA $95,556 2,688 $289,862 3.03x $35.55 Max Conv Value
Shopping USA $34,586 1,007 $95,535 2.76x $34.34 tROAS
PMax | Hair Growth Serums $23,980 594 $65,131 2.72x $40.37 Max Conv Value
PMax | Shampoo Kits $16,397 327 $31,753 1.94x $50.11 Max Conv Value
Male | Hair Serum | PMax $15,804 385 $34,565 2.19x $41.00 Max Conv Value
Subscription | PMax $15,254 410 $36,835 2.41x $37.22 Max Conv Value
Hair Quiz | PMax $11,821 334 $29,654 2.51x $35.37 Max Conv Value
Scalp Duo | PMax $9,095 214 $17,085 1.88x $42.52 Max Conv Value
PMax | Lash Serum $5,192 101 $9,695 1.87x $51.51 Max Conv Value
GRO Ageless | PMax $4,690 105 $9,607 2.05x $44.56 Max Conv Value
Non-Brand Search USA $2,898 28 $2,613 0.90x $102.16 Max Conv Value
Hydr8 Oil | PMax $2,674 54 $4,297 1.61x $49.43 Max Conv Value
Demand Generation $2,082 61 $5,266 2.53x $34.25 Max Conv
PMax | Style Wand $354 8 $649 1.83x $42.63 Max Conv Value
Shopping USA - New Customer Test $245 2 $114 0.47x $122.53 tROAS
TOTAL $240,627 6,319 $632,660 2.63x $38.08
2 The Problem

The Returning Customer Illusion

When we segment conversions by new vs. returning customers, a striking pattern emerges. Only 20.8% of all conversions come from genuinely new customers. The algorithm is optimizing for the path of least resistance: targeting people who already know Vegamour and would likely convert anyway.

20.8% New Customers
New Customers
1,161 conversions · $116,242 revenue
Returning Customers
4,422 conversions · $451,474 revenue
⚠️ The Core Issue
The account is spending $240,627 per month, but only $116,242 in revenue (18.4% of total) is attributable to new customers. These returning customers would likely purchase again through email, organic search, or direct visits, meaning a significant portion of ad spend is essentially paying for conversions that would have happened regardless.
Blended CPA
$38.08
All customers
True NCAC
$207.29
New customers only
NCAC Multiplier
5.4x
NCAC is 5.4x higher than CPA
💡 What This Means
The "real" cost to acquire a new customer is $207.29, not $38.08. Google's algorithm is inflating performance by crediting itself for returning customers who would have converted anyway. The 5.4x gap between CPA and NCAC reveals how much the algorithm relies on returning traffic to hit its ROAS targets.
3 Campaign NCAC Breakdown

Where New Customers Actually Come From

Not all campaigns contribute equally to new customer acquisition. Some campaigns look efficient on a blended basis but are mostly re-converting existing buyers. Others are doing the harder (and more valuable) work of finding net-new customers.

NCAC by Campaign
Cost per genuinely new customer acquisition (lower is better)
Shopping USA
$94.62
PMax | Shampoo Kits
$161.20
Scalp Duo | PMax
$183.05
PMax | Hair Growth Serums
$207.58
Non-Brand Search USA
$235.00
Branded Search USA
$260.73
PMax | Lash Serum
$274.17
Demand Generation
$314.08
Hydr8 Oil | PMax
$345.85
Subscription | PMax
$397.09
Male | Hair Serum | PMax
$399.87
GRO Ageless | PMax
$406.33
Hair Quiz | PMax
$441.99
Campaign Spend New Conv NCAC New Rev New ROAS Ret Conv New %
Shopping USA $34,586 366 $94.62 $33,477 0.97x 641 36.3%
PMax | Shampoo Kits $16,397 102 $161.20 $9,194 0.56x 225 31.1%
Scalp Duo | PMax $9,095 50 $183.05 $4,108 0.45x 99 33.3%
PMax | Hair Serums $23,980 116 $207.58 $16,688 0.70x 478 19.4%
Non-Brand Search $2,898 12 $235.00 $1,038 0.36x 13 48.7%
Branded Search USA $95,556 367 $260.73 $38,002 0.40x 2,321 13.6%
PMax | Lash Serum $5,192 19 $274.17 $1,725 0.33x 61 23.8%
Demand Generation $2,082 7 $314.08 $524 0.25x 14 32.2%
Hydr8 Oil | PMax $2,674 8 $345.85 $578 0.22x 28 21.4%
Subscription | PMax $15,254 38 $397.09 $3,448 0.23x 177 17.8%
Male | Hair Serum $15,804 40 $399.87 $3,366 0.21x 151 20.7%
GRO Ageless | PMax $4,690 12 $406.33 $986 0.21x 64 15.3%
Hair Quiz | PMax $11,821 27 $441.99 $3,108 0.26x 149 15.2%
TOTAL $240,627 1,161 $207.29 $116,242 0.48x 4,422 20.8%
🎯 Top 3 New Customer Engines
Shopping USA ($94.62 NCAC) is the most efficient new customer acquisition channel by a wide margin. It delivers 36.3% new customers, nearly double the account average. PMax | Shampoo Kits ($161.20) and Scalp Duo PMax ($183.05) round out the top 3. These three campaigns should be the priority for budget allocation in an NCAC-first strategy.
🚨 Biggest NCAC Concerns
Branded Search ($260.73 NCAC) consumes 39.7% of total budget but only 13.6% of its conversions are new. Hair Quiz PMax ($441.99), GRO Ageless ($406.33), and Male Hair Serum ($399.87) all exceed $400 NCAC while generating very few new customers (11-27 each). These campaigns are almost entirely serving returning customers.
4 Revenue Composition

Conversion Action Breakdown

Understanding how revenue flows through different conversion actions reveals additional optimization opportunities, particularly around subscription acquisition vs. straight sales.

Website Purchases
$313,434
3,117 conversions (49.3%)
Shopping Direct
$190,678
1,884 conversions (29.8%)
New Subscriptions
$128,547
1,318 conversions (20.9%)
Revenue Split by Conversion Action
Share of $632,660 total tracked revenue
Website Purchases
$313,434 (49.6%)
Shopping Direct
$190,678 (30.2%)
New Subscriptions
$128,547 (20.3%)
📈 Subscription Revenue Insight
New subscriptions represent 20.3% of total revenue ($128,547) and 20.9% of all conversions. Subscriptions carry higher lifetime value since they auto-renew, meaning the first-order revenue shown here significantly understates their true contribution. When evaluating NCAC, new subscription conversions from new customers should be weighted more heavily due to their recurring revenue nature.
5 Strategic Quadrant

Campaign Efficiency Matrix

Plotting campaigns by their NCAC efficiency (lower = better) and new customer volume reveals four distinct strategic quadrants that should drive budget allocation decisions.

★ Scale Aggressively (Low NCAC, High Volume)
Shopping USA$94.62 NCAC · 366 new
PMax | Shampoo Kits$161.20 NCAC · 102 new
Branded Search USA$260.73 NCAC · 367 new
🔬 Test & Optimize (Low NCAC, Low Volume)
Scalp Duo | PMax$183.05 NCAC · 50 new
PMax | Hair Growth Serums$207.58 NCAC · 116 new
Non-Brand Search$235.00 NCAC · 12 new
🔄 Restructure (High NCAC, Moderate Volume)
PMax | Lash Serum$274.17 NCAC · 19 new
Demand Generation$314.08 NCAC · 7 new
Subscription | PMax$397.09 NCAC · 38 new
⚠️ Reduce / Sunset (High NCAC, Low Volume)
Hydr8 Oil | PMax$345.85 NCAC · 8 new
Male | Hair Serum | PMax$399.87 NCAC · 40 new
GRO Ageless | PMax$406.33 NCAC · 12 new
Hair Quiz | PMax$441.99 NCAC · 27 new
6 Recommendations

NCAC Transition Playbook

The key to this transition: start with the campaigns that already have the lowest NCAC and best new customer ratios. By converting these first, we acquire new customers at the most efficient cost while protecting overall ROAS. High-NCAC campaigns stay untouched until the low-hanging fruit is proven.

Transition Priority Order (Lowest NCAC First)
Phase 1 — Transition First
Shopping USA
$94.62
36.3% new customer rate
Phase 1 — Transition First
PMax Shampoo Kits
$161.20
22.0% new customer rate
Phase 2 — Transition Next
PMax Scalp Duo
$183.05
20.1% new customer rate
Phase 2 — Transition Next
PMax Hair Serums
$190.79
24.1% new customer rate
Phase 3 — Monitor First
Branded Search
$260.73
13.6% new customer rate
Phase 3 — Audit & Decide
High NCAC PMax
$397-$442
Hair Quiz, GRO, Male, Subs
1
Phase 1: Transition Lowest-NCAC Campaigns First
Apply the Google Rep's 3-step targeting (new customer bidding, purchaser exclusion, [vegamour] negative) to Shopping USA ($94.62 NCAC) and PMax Shampoo Kits ($161.20 NCAC) first. These campaigns already have the best NCAC efficiency and highest new customer ratios, meaning the transition will have the least ROAS impact while immediately delivering more new customers. If ROAS dips, it will be marginal because these campaigns are already strong at finding new buyers.
Highest Impact Lowest Risk
2
Phase 2: Expand to Mid-NCAC Campaigns After Validation
Once Phase 1 campaigns stabilize (allow 2-3 weeks for the algorithm to recalibrate), apply the same 3-step targeting to PMax Scalp Duo ($183.05 NCAC) and PMax Hair Growth Serums ($190.79 NCAC). These sit in the middle of the efficiency curve with 20-24% new customer rates. Transitioning them second allows us to validate the approach on the safest campaigns before touching larger budget lines.
High Impact Medium Risk
3
Phase 3: Cap Branded Search, Audit High-NCAC Campaigns
Branded Search ($260.73 NCAC, 13.6% new customer rate) should be capped at current spend levels with the negative keyword [vegamour] applied, but NOT switched to "new customers only" bidding since brand defense still matters. For the high-NCAC campaigns (Hair Quiz $441.99, GRO Ageless $406.33, Male Hair Serum $399.87, Subscription PMax $397.09), audit targeting and asset groups first. Only apply new customer bidding after determining if their high NCAC is fixable or structural.
Medium Impact Medium Risk
4
Expand the Shopping New Customer Test Campaign
The "Shopping USA - New Customer Test" campaign is currently spending only $245/month. This is too small a test to generate meaningful signal. Scale to at least $50-100/day to properly validate whether a dedicated new-customer Shopping campaign can achieve lower NCAC than the main Shopping campaign. The 0.47x ROAS on $245 spend is not statistically significant.
High Impact Medium Risk
5
Establish NCAC Benchmarks and Weekly Reporting
Add NCAC as a primary KPI alongside ROAS in weekly reporting. Set tier-based NCAC targets: Tier 1 (<$150), Tier 2 ($150-250), Tier 3 ($250-350), Flag (>$350). Track weekly trends and set a 90-day goal to bring the blended account NCAC from $207.29 to below $175 through budget reallocation toward more efficient campaigns.
Foundation No Risk
Why Lowest-NCAC First Protects ROAS
Campaigns with lower NCAC already have higher new customer ratios, meaning a smaller share of their conversions are returning buyers. When we tell Google to stop bidding on existing customers in these campaigns, the drop in total conversions will be minimal because most of their traffic was already new. The ROAS impact stays small. Meanwhile, high-NCAC campaigns (like Branded Search at 86.4% returning customers) would lose the majority of their conversions overnight if switched to new-customer-only bidding. By phasing from lowest to highest NCAC, we scale new customer acquisition gradually while maintaining revenue stability.
7 Google Rep Recommendation

New Customer Targeting: 3-Step Implementation

Direct guidance from Google's account team on isolating new customer acquisition at the campaign level. These three changes work together to ensure ad spend targets exclusively net-new buyers.

1
Campaign Setting
Bid for New Customers Only
Change the Customer Acquisition setting on each campaign to "Only bid for new customers." This tells the algorithm to stop bidding on users it identifies as existing purchasers, redirecting 100% of auction participation toward prospects.
2
Audience Layer
Exclude All-Time Purchasers
Create an exclusion audience list containing all historical purchasers (not just 30/90/180-day windows). Upload the full customer email list and apply it as an audience exclusion at the campaign level. This catches returning buyers that Google's own detection might miss.
3
Keyword Layer
Negative Keyword [vegamour]
Add [vegamour] as a negative keyword to all non-branded campaigns. Anyone searching the brand name is already aware of Vegamour and likely a returning customer. Blocking this term forces ad spend toward users who have never heard of the brand.
Why All Three Layers Matter
Algorithm-Level Protection
The "New Customers Only" setting instructs Google's bidding algorithm to deprioritize known buyers at auction time.
Data-Level Protection
The all-time purchaser exclusion list catches customers that Google's automated detection may miss (cross-device, incognito, etc.).
Intent-Level Protection
The [vegamour] negative keyword blocks brand-aware searchers from triggering non-branded campaigns, ensuring ad spend only reaches users discovering the brand for the first time.
Triple-Layer Redundancy
No single method catches 100% of returning customers. Using all three together creates overlapping coverage that minimizes wasted spend on existing buyers.
Expected Impact: With 79.2% of current conversions coming from returning customers, implementing all three layers should significantly reduce wasted spend on existing buyers. As the algorithm learns to target only new prospects, expect ROAS to temporarily dip (returning customers convert at higher rates), but NCAC should decrease meaningfully as every dollar works harder toward genuine customer acquisition.
∑ Executive Summary

The Bottom Line

Blended ROAS
2.63x
Looks healthy
True NCAC
$207.29
5.4x higher than CPA
New Customer Rate
20.8%
79.2% are returning
The account appears healthy at 2.63x blended ROAS, but beneath the surface, 79.2% of conversions come from returning customers who would likely purchase anyway. The true cost to acquire a new customer is $207.29, not $38.08. By shifting budget toward Shopping USA ($94.62 NCAC) and product-specific PMax campaigns, while capping branded search growth and enabling new customer acquisition goals, Vegamour can grow its customer base more efficiently and reduce reliance on remarketing-inflated performance metrics.