Colgate Optic White Purple Serum Teeth Whitening Booster 40mL at Woolworths vs Coles vs Aldi

Name: Colgate Optic White Purple Serum Teeth Whitening Booster
Brand: Colgate

Yes, Woolworths stocks Colgate Optic White Purple Serum Teeth Whitening Booster 40mL: $17.50 today ($43.75/100ml). Also at Coles $35.00 and Aldi $17.49 (checked 2 Nov). Prices checked 5 Nov.

40mL

Where To Buy

Independent price comparison by ShopHop. You buy from the retailer.

ALDI

Price from 2 Nov

$17.49

$43.73 per 100mL

Cheapest · save $17.51

Buy at AldiIn store only

Woolworths

$17.50was ~~$35.00~~

$43.75 per 100mL

Buy at Woolworths

Coles

$35.00

$87.50 per 100mL

Buy at Coles

Prices are from each retailer’s online store, last checked yesterday. They may not reflect in-store prices. Buttons open the retailer’s own product page; we do not earn a commission on them.

ALDI does not expose store-level stock status or reliable sale pricing publicly, so availability and specials data are not available for ALDI products.

Today’s Price30 days tracked

$17.50

90-day low$17.50Usually$35.0090-day high$35.00

Last at half price on 5 Nov 2026: $17.50 at Woolworths, against a was-price of $35.00. That was an online listing we recorded, not a local shelf price. How prices are checked

What we noticed

Observed special — price below typical range. Woolworths lists this at $17.50 (was $35.00). Over 89 observed days, the higher reference price held on 41 days; typical price about $21.00. The current price sits below that typical range. How we classify specials

Based on ShopHop’s observed price history. Informational only — not a legal finding. Australian law uses a “reasonable period” test (ACCC v Coles [2026] FCA 598); ShopHop’s day-count tiers are our own analytical method.

Keep comparing

Colgate Optic White Purple Serum Teeth Whitening Booster price summary

Cheapest today at Woolworths for $17.50. 90-day low $17.50, high $35.00, now 34% below its 90-day average. This special is 50% below its usual $35.00.

Store	Price	Unit price
Aldi	$17.49 (2 Nov)	$43.73/100ml
Woolworths (special)	$17.50	$43.75/100ml
Coles	$35.00	$87.50/100ml

Price history (30-day)

30-day observed price by date
Date	Price (AUD)	Woolworths	Coles	Aldi
2026-10-07	17.49	21.00	35.00	17.49
2026-10-08	17.49	21.00	35.00	17.49
2026-10-09	17.49	21.00	—	17.49
2026-10-10	17.49	21.00	35.00	17.49
2026-10-11	17.49	21.00	35.00	17.49
2026-10-12	17.49	21.00	35.00	17.49
2026-10-13	17.49	21.00	35.00	17.49
2026-10-14	17.49	17.50	24.50	17.49
2026-10-15	17.49	17.50	24.50	17.49
2026-10-16	17.49	17.50	24.50	17.49
2026-10-17	17.49	17.50	24.50	17.49
2026-10-18	17.49	17.50	—	17.49
2026-10-19	17.49	17.50	24.50	17.49
2026-10-20	17.49	17.50	24.50	17.49
2026-10-21	17.49	35.00	—	17.49
2026-10-22	17.49	35.00	35.00	17.49
2026-10-23	17.49	35.00	35.00	17.49
2026-10-24	17.49	35.00	35.00	17.49
2026-10-25	17.49	35.00	35.00	17.49
2026-10-26	17.49	35.00	35.00	17.49
2026-10-27	17.49	35.00	—	17.49
2026-10-28	17.49	35.00	21.00	17.49
2026-10-29	17.49	35.00	21.00	17.49
2026-10-30	17.49	35.00	21.00	17.49
2026-10-31	17.49	35.00	21.00	17.49
2026-11-01	17.49	35.00	21.00	17.49
2026-11-02	17.49	35.00	21.00	17.49
2026-11-03	21.00	35.00	21.00	—
2026-11-04	17.50	17.50	—	—
2026-11-05	17.50	17.50	35.00	—

Latest in this window: $17.50 · $3.50 below start of window

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Description

Our ultimate purple serum colour corrects & whitens*. Dual-Action Formula for Immediate Color Correction* & lasting^ whitening results. A 3-step whitening Boost. Pump, Purple, Smile! Colgate Optic White Purple Serum. Our ultimate purple serum colour corrects* & acts as a whitening booster**. Dual-Action Formula for Immediate Color Correction* & lasting^ whitening results. A 3-step whitening Boost**. Pump, Purple, Smile! Clinically tested technology, enamel safe, for daily use. For best results, use the Optic White 5% Hydrogen Peroxide toothpaste and brush for 2 minutes. Following this, apply 1 pump on a soft bristle toothbrush and gently brush for 2 minutes. Expel excess and rinse mouth after use. Do not swallow. Size: 40mL Flavour: Refreshing mint & yuzu *Effect is temporary. **vs brushing with Colgate non whitening toothpaste alone. ^By removing surface stains with twice daily brushing after 2 weeks of use. Individual results may vary. PURPLE SERUM: Neutralise yellow tones to colour correct DUAL-ACTION FORMULA: Provides immediate colour correction* & lasting^ whitening. Clinically tested technology TEETH WHITENING BOOSTER**: Whitens and brightens your teeth while freshening breath REFRESHING MINT & YUZU FLAVOUR: To freshen breath while it whitens A 3 STEP WHITENING BOOST: Pump, Purple, Smile!

Ingredients

Glycerin, Water, Hydrated Silica, PEG-12, Flavour, Potassium Hydroxide, Benzyl Alcohol, Xanthan Gum, Tetrasodium Pyrophosphate, Phosphoric Acid, Cocamidopropyl Betaine, Sodium Saccharin, Cellulose Gum, CI 17200, CI 42090.

Allergens

Allergen information not provided yet.

Storage instructions

Store at room temperature. Avoid exposure to heat.

Nutrition information

Nutrition information is still being collected for this product.